Slack: add some fixes and connect it all up

2026-01-04 01:53:15 -06:00
parent 02d7e286ea
commit 8c38a7fee8
45 changed files with 1568 additions and 89 deletions
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -327,14 +327,13 @@ Slack runs in Socket Mode and requires both a bot token and app token:
      sessionPrefix: "slack:slash",
      ephemeral: true
    },
-    replyToMode: "off",      // off | first | all
    textChunkLimit: 4000,
    mediaMaxMb: 20
  }
 }
 ```

-Clawdis starts Slack only when a `slack` config section exists and both tokens are set (unless `slack.enabled` is `false`). Provide `SLACK_BOT_TOKEN` + `SLACK_APP_TOKEN` env vars if you prefer. Use `user:<id>` (DM) or `channel:<id>` when specifying delivery targets for cron/CLI commands.
+Clawdis starts Slack when the provider is enabled and both tokens are set (via config or `SLACK_BOT_TOKEN` + `SLACK_APP_TOKEN`). Use `user:<id>` (DM) or `channel:<id>` when specifying delivery targets for cron/CLI commands.

 Reaction notification modes:
 - `off`: no reaction events.
--- a/docs/slack.md
+++ b/docs/slack.md
@@ -121,7 +121,6 @@ Slack uses Socket Mode only (no HTTP webhook server). Provide both tokens:
      "sessionPrefix": "slack:slash",
      "ephemeral": true
    },
-    "replyToMode": "off",
    "textChunkLimit": 4000,
    "mediaMaxMb": 20
  }
@@ -137,13 +136,6 @@ Tokens can also be supplied via env vars:
 - Channels map to `slack:channel:<channelId>` sessions.
 - Slash commands use `slack:slash:<userId>` sessions.

-## Reply threading
-Slack replies can be threaded when reply tags are present and `slack.replyToMode` is enabled.
-
-```json
-{ "slack": { "replyToMode": "first" } }
-```
-
 ## Delivery targets
 Use these with cron/CLI sends:
 - `user:<id>` for DMs
--- a/package.json
+++ b/package.json
@@ -79,6 +79,8 @@
    "@mariozechner/pi-ai": "^0.32.3",
    "@mariozechner/pi-coding-agent": "^0.32.3",
    "@mariozechner/pi-tui": "^0.32.3",
+    "@slack/bolt": "^4.5.0",
+    "@slack/web-api": "^7.11.1",
    "@sinclair/typebox": "0.34.46",
    "@whiskeysockets/baileys": "7.0.0-rc.9",
    "ajv": "^8.17.1",
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -43,6 +43,12 @@ importers:
      '@sinclair/typebox':
        specifier: 0.34.46
        version: 0.34.46
+      '@slack/bolt':
+        specifier: ^4.5.0
+        version: 4.6.0(@types/express@5.0.6)
+      '@slack/web-api':
+        specifier: ^7.11.1
+        version: 7.13.0
      '@whiskeysockets/baileys':
        specifier: 7.0.0-rc.9
        version: 7.0.0-rc.9(audio-decode@2.2.3)(sharp@0.34.5)
@@ -1098,6 +1104,32 @@ packages:
  '@sinclair/typebox@0.34.46':
    resolution: {integrity: sha512-kiW7CtS/NkdvTUjkjUJo7d5JsFfbJ14YjdhDk9KoEgK6nFjKNXZPrX0jfLA8ZlET4cFLHxOZ/0vFKOP+bOxIOQ==}

+  '@slack/bolt@4.6.0':
+    resolution: {integrity: sha512-xPgfUs2+OXSugz54Ky07pA890+Qydk22SYToi8uGpXeHSt1JWwFJkRyd/9Vlg5I1AdfdpGXExDpwnbuN9Q/2dQ==}
+    engines: {node: '>=18', npm: '>=8.6.0'}
+    peerDependencies:
+      '@types/express': ^5.0.0
+
+  '@slack/logger@4.0.0':
+    resolution: {integrity: sha512-Wz7QYfPAlG/DR+DfABddUZeNgoeY7d1J39OCR2jR+v7VBsB8ezulDK5szTnDDPDwLH5IWhLvXIHlCFZV7MSKgA==}
+    engines: {node: '>= 18', npm: '>= 8.6.0'}
+
+  '@slack/oauth@3.0.4':
+    resolution: {integrity: sha512-+8H0g7mbrHndEUbYCP7uYyBCbwqmm3E6Mo3nfsDvZZW74zKk1ochfH/fWSvGInYNCVvaBUbg3RZBbTp0j8yJCg==}
+    engines: {node: '>=18', npm: '>=8.6.0'}
+
+  '@slack/socket-mode@2.0.5':
+    resolution: {integrity: sha512-VaapvmrAifeFLAFaDPfGhEwwunTKsI6bQhYzxRXw7BSujZUae5sANO76WqlVsLXuhVtCVrBWPiS2snAQR2RHJQ==}
+    engines: {node: '>= 18', npm: '>= 8.6.0'}
+
+  '@slack/types@2.19.0':
+    resolution: {integrity: sha512-7+QZ38HGcNh/b/7MpvPG6jnw7mliV6UmrquJLqgdxkzJgQEYUcEztvFWRU49z0x4vthF0ixL5lTK601AXrS8IA==}
+    engines: {node: '>= 12.13.0', npm: '>= 6.12.0'}
+
+  '@slack/web-api@7.13.0':
+    resolution: {integrity: sha512-ERcExbWrnkDN8ovoWWe6Wgt/usanj1dWUd18dJLpctUI4mlPS0nKt81Joh8VI+OPbNnY1lIilVt9gdMBD9U2ig==}
+    engines: {node: '>= 18', npm: '>= 8.6.0'}
+
  '@standard-schema/spec@1.1.0':
    resolution: {integrity: sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==}

@@ -1156,6 +1188,9 @@ packages:
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    resolution: {integrity: sha512-r8Tayk8HJnX0FztbZN7oVqGccWgw98T/0neJphO91KkmOzug1KkofZURD4UaD5uH8AqcFLfdPErnBod0u71/qg==}

+  '@types/jsonwebtoken@9.0.10':
+    resolution: {integrity: sha512-asx5hIG9Qmf/1oStypjanR7iKTv0gXQ1Ov/jfrX6kS/EO0OFni8orbmGCn0672NHR3kXHwpAwR+B368ZGN/2rA==}
+
  '@types/linkify-it@5.0.0':
    resolution: {integrity: sha512-sVDA58zAw4eWAffKOaQH5/5j3XeayukzDk+ewSsnv3p4yJEZHCCzMDiZM8e0OUrRvmpGZ85jf4yDHkHsgBNr9Q==}

@@ -1171,6 +1206,9 @@ packages:
  '@types/mime-types@2.1.4':
    resolution: {integrity: sha512-lfU4b34HOri+kAY5UheuFMWPDOI+OPceBSHZKp69gEyTL/mmJ4cnU6Y/rlme3UL3GyOn6Y42hyIEw0/q8sWx5w==}

+  '@types/ms@2.1.0':
+    resolution: {integrity: sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA==}
+
  '@types/node@10.17.60':
    resolution: {integrity: sha512-F0KIgDJfy2nA3zMLmWGKxcH2ZVEtCZXHHdOQs2gSaQ27+lNeEfGxzkIw90aXswATX7AZ33tahPbzy6KAfUreVw==}

@@ -1186,6 +1224,9 @@ packages:
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    resolution: {integrity: sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ==}

+  '@types/retry@0.12.0':
+    resolution: {integrity: sha512-wWKOClTTiizcZhXnPY4wikVAwmdYHp8q6DmC+EJUzAMsycb7HB32Kh9RN4+0gExjmPmZSAQjgURXIGATPegAvA==}
+
  '@types/send@1.2.1':
    resolution: {integrity: sha512-arsCikDvlU99zl1g69TcAB3mzZPpxgw0UQnaHeC1Nwb015xp8bknZv5rIfri9xTOcMuaVgvabfIRA7PSZVuZIQ==}

@@ -1360,6 +1401,9 @@ packages:
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+  asynckit@0.4.0:
+    resolution: {integrity: sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==}
+
  atomic-sleep@1.0.0:
    resolution: {integrity: sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ==}
    engines: {node: '>=8.0.0'}
@@ -1374,6 +1418,9 @@ packages:
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    engines: {node: '>=14'}

+  axios@1.13.2:
+    resolution: {integrity: sha512-VPk9ebNqPcy5lRGuSlKx752IlDatOjT9paPlm8A7yOuW2Fbvp4X3JznJtT4f0GzGLLiWE9W8onz51SqLYwzGaA==}
+
  balanced-match@1.0.2:
    resolution: {integrity: sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==}

@@ -1489,6 +1536,10 @@ packages:
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    resolution: {integrity: sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==}

+  combined-stream@1.0.8:
+    resolution: {integrity: sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==}
+    engines: {node: '>= 0.8'}
+
  commander@14.0.2:
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    engines: {node: '>=20'}
@@ -1543,6 +1594,10 @@ packages:
      supports-color:
        optional: true

+  delayed-stream@1.0.0:
+    resolution: {integrity: sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==}
+    engines: {node: '>=0.4.0'}
+
  depd@2.0.0:
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    engines: {node: '>= 0.8'}
@@ -1621,6 +1676,10 @@ packages:
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    engines: {node: '>= 0.4'}

+  es-set-tostringtag@2.1.0:
+    resolution: {integrity: sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==}
+    engines: {node: '>= 0.4'}
+
  esbuild@0.27.2:
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    engines: {node: '>=18'}
@@ -1644,6 +1703,9 @@ packages:
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    engines: {node: '>=6'}

+  eventemitter3@4.0.7:
+    resolution: {integrity: sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==}
+
  eventemitter3@5.0.1:
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@@ -1700,10 +1762,23 @@ packages:
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    engines: {node: '>= 18.0.0'}

+  follow-redirects@1.15.11:
+    resolution: {integrity: sha512-deG2P0JfjrTxl50XGCDyfI97ZGVCxIpfKYmfyrQ54n5FO/0gfIES8C/Psl6kWVDolizcaaxZJnTS0QSMxvnsBQ==}
+    engines: {node: '>=4.0'}
+    peerDependencies:
+      debug: '*'
+    peerDependenciesMeta:
+      debug:
+        optional: true
+
  foreground-child@3.3.1:
    resolution: {integrity: sha512-gIXjKqtFuWEgzFRJA9WCQeSJLZDjgJUOMCMzxtvFq/37KojM1BFGufqsCy0r4qSQmYLsZYMeyRqzIWOMup03sw==}
    engines: {node: '>=14'}

+  form-data@4.0.5:
+    resolution: {integrity: sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==}
+    engines: {node: '>= 6'}
+
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    engines: {node: '>= 0.4'}

+  has-tostringtag@1.0.2:
+    resolution: {integrity: sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==}
+    engines: {node: '>= 0.4'}
+
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    engines: {node: '>=20'}
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    engines: {node: '>=8'}

+  is-electron@2.2.2:
+    resolution: {integrity: sha512-FO/Rhvz5tuw4MCWkpMzHFKWD2LsfHzIb7i6MdPYZ/KW7AlxawyLkqdy+jPZP1WubqEADE3O4FUENlJHDfQASRg==}
+
  is-extglob@2.1.1:
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    engines: {node: '>=0.10.0'}
@@ -1872,6 +1954,10 @@ packages:
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+  is-stream@2.0.1:
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+    engines: {node: '>=8'}
+
  is-url@1.2.4:
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@@ -1935,6 +2021,10 @@ packages:
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+  jsonwebtoken@9.0.3:
+    resolution: {integrity: sha512-MT/xP0CrubFRNLNKvxJ2BYfy53Zkm++5bX9dtuPbqAeQpTVe0MQTFhao8+Cp//EmJp244xt6Drw/GVEGCUj40g==}
+    engines: {node: '>=12', npm: '>=6'}
+
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@@ -2036,6 +2126,27 @@ packages:
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+  lodash.includes@4.3.0:
+    resolution: {integrity: sha512-W3Bx6mdkRTGtlJISOvVD/lbqjTlPPUDTMnlXZFnVwi9NKJ6tiAk6LVdlhZMm17VZisqhKcgzpO5Wz91PCt5b0w==}
+
+  lodash.isboolean@3.0.3:
+    resolution: {integrity: sha512-Bz5mupy2SVbPHURB98VAcw+aHh4vRV5IPNhILUCsOzRmsTmSQ17jIuqopAentWoehktxGd9e/hbIXq980/1QJg==}
+
+  lodash.isinteger@4.0.4:
+    resolution: {integrity: sha512-DBwtEWN2caHQ9/imiNeEA5ys1JoRtRfY3d7V9wkqtbycnAmTvRRmbHKDV4a0EYc678/dia0jrte4tjYwVBaZUA==}
+
+  lodash.isnumber@3.0.3:
+    resolution: {integrity: sha512-QYqzpfwO3/CWf3XP+Z+tkQsfaLL/EnUlXWVkIk5FUPc4sBdTehEqZONuyRt2P67PXAk+NXmTBcc97zw9t1FQrw==}
+
+  lodash.isplainobject@4.0.6:
+    resolution: {integrity: sha512-oSXzaWypCMHkPC3NvBEaPHf0KsA5mvPrOPgQWDsbg8n7orZ290M0BmC/jgRZ4vcJ6DTAhjrsSYgdsW/F+MFOBA==}
+
+  lodash.isstring@4.0.1:
+    resolution: {integrity: sha512-0wJxfxH1wgO3GrbuP+dTTk7op+6L41QCXbGINEmD+ny/G/eCqGzxyCsh7159S+mgDDcoarnBw6PC1PS5+wUGgw==}
+
+  lodash.once@4.1.1:
+    resolution: {integrity: sha512-Sb487aTOCr9drQVL8pIxOzVhafOjZN9UU54hiN8PU3uAiSV7lx1yYNpbNmex2PK6dSJoNTSJUUswT651yww3Mg==}
+
  lodash.snakecase@4.1.1:
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@@ -2115,10 +2226,18 @@ packages:
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    engines: {node: '>=8.6'}

+  mime-db@1.52.0:
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+    engines: {node: '>= 0.6'}
+
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    engines: {node: '>= 0.6'}

+  mime-types@2.1.35:
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+    engines: {node: '>= 0.6'}
+
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@@ -2164,9 +2283,6 @@ packages:
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    engines: {node: '>= 0.6'}

-  node-addon-api@7.1.1:
-    resolution: {integrity: sha512-5m3bsyrjFWE1xf7nz7YXdN4udnVtXK6/Yfgn5qnahL6bCkf2yKt4k3nuTKAtT4r3IG8JNR2ncsIMdZuAzJjHQQ==}
-
  node-domexception@1.0.0:
    resolution: {integrity: sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==}
    engines: {node: '>=10.5.0'}
@@ -2250,10 +2366,26 @@ packages:
      oxlint-tsgolint:
        optional: true

+  p-finally@1.0.0:
+    resolution: {integrity: sha512-LICb2p9CB7FS+0eR1oqWnHhp0FljGLZCWBE9aix0Uye9W8LTQPwMTYVGWQWIw9RdQiDg4+epXQODwIYJtSJaow==}
+    engines: {node: '>=4'}
+
+  p-queue@6.6.2:
+    resolution: {integrity: sha512-RwFpb72c/BhQLEXIZ5K2e+AhgNVmIejGlTgiB9MzZ0e93GRvqZ7uSi0dvRF7/XIXDeNkra2fNHBxTyPDGySpjQ==}
+    engines: {node: '>=8'}
+
  p-queue@9.0.1:
    resolution: {integrity: sha512-RhBdVhSwJb7Ocn3e8ULk4NMwBEuOxe+1zcgphUy9c2e5aR/xbEsdVXxHJ3lynw6Qiqu7OINEyHlZkiblEpaq7w==}
    engines: {node: '>=20'}

+  p-retry@4.6.2:
+    resolution: {integrity: sha512-312Id396EbJdvRONlngUx0NydfrIQ5lsYu0znKVUzVvArzEIt08V1qhtyESbGVd1FGX7UKtiFp5uwKZdM8wIuQ==}
+    engines: {node: '>=8'}
+
+  p-timeout@3.2.0:
+    resolution: {integrity: sha512-rhIwUycgwwKcP9yTOOFK/AKsAopjjCakVqLHePO3CC6Mir1Z99xT+R63jZxAT5lFZLa2inS5h+ZS2GvR99/FBg==}
+    engines: {node: '>=8'}
+
  p-timeout@7.0.1:
    resolution: {integrity: sha512-AxTM2wDGORHGEkPCt8yqxOTMgpfbEHqF51f/5fJCmwFC3C/zNcGT63SymH2ttOAaiIws2zVg4+izQCjrakcwHg==}
    engines: {node: '>=20'}
@@ -2377,6 +2509,9 @@ packages:
    resolution: {integrity: sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==}
    engines: {node: '>= 0.10'}

+  proxy-from-env@1.1.0:
+    resolution: {integrity: sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==}
+
  punycode.js@2.3.1:
    resolution: {integrity: sha512-uxFIHU0YlHYhDQtV4R9J6a52SLx28BCjT+4ieh7IGbgwVJWO+km431c4yRlREUAsAmt/uMjQUyQHNEPf0M39CA==}
    engines: {node: '>=6'}
@@ -2450,6 +2585,10 @@ packages:
    resolution: {integrity: sha512-9LkiTwjUh6rT555DtE9rTX+BKByPfrMzEAtnlEtdEwr3Nkffwiihqe2bWADg+OQRjt9gl6ICdmB/ZFDCGAtSow==}
    engines: {node: '>= 4'}

+  retry@0.13.1:
+    resolution: {integrity: sha512-XQBQ3I8W1Cge0Seh+6gjj03LbmRFWuoszgK9ooCpwYIrhhoO80pfq4cUkU5DkknwfOfFteRwlZ56PYOGYyFWdg==}
+    engines: {node: '>= 4'}
+
  reusify@1.1.0:
    resolution: {integrity: sha512-g6QUff04oZpHs0eG5p83rFLhHeV00ug/Yf9nZM6fLeUrPguBTkTQOdpAWWspMh55TZfVQDPaN3NQJfbVRAxdIw==}
    engines: {iojs: '>=1.0.0', node: '>=0.10.0'}
@@ -2697,6 +2836,10 @@ packages:
    resolution: {integrity: sha512-XuELoRpMR+sq8fuWwX7P0bcj+PRNiicOKDEb3fGNURhxWVyykCi9BNq7c4uVz7h7P0sj8qgBsr5SWS6yBClq3g==}
    engines: {node: '>=16'}

+  tsscmp@1.0.6:
+    resolution: {integrity: sha512-LxhtAkPDTkVCMQjt2h6eBVY28KCjikZqZfMcC15YBeNjkgUpdCfBu5HoiOTDu86v6smE8yOjyEktJ8hlbANHQA==}
+    engines: {node: '>=0.6.x'}
+
  tsx@4.21.0:
    resolution: {integrity: sha512-5C1sg4USs1lfG0GFb2RLXsdpXqBSEhAaA/0kPL01wxzpMqLILNxIxIOKiILz+cdg/pLnOUxFYOR5yhHU666wbw==}
    engines: {node: '>=18.0.0'}
@@ -3626,6 +3769,71 @@ snapshots:

  '@sinclair/typebox@0.34.46': {}

+  '@slack/bolt@4.6.0(@types/express@5.0.6)':
+    dependencies:
+      '@slack/logger': 4.0.0
+      '@slack/oauth': 3.0.4
+      '@slack/socket-mode': 2.0.5
+      '@slack/types': 2.19.0
+      '@slack/web-api': 7.13.0
+      '@types/express': 5.0.6
+      axios: 1.13.2
+      express: 5.2.1
+      path-to-regexp: 8.3.0
+      raw-body: 3.0.2
+      tsscmp: 1.0.6
+    transitivePeerDependencies:
+      - bufferutil
+      - debug
+      - supports-color
+      - utf-8-validate
+
+  '@slack/logger@4.0.0':
+    dependencies:
+      '@types/node': 25.0.3
+
+  '@slack/oauth@3.0.4':
+    dependencies:
+      '@slack/logger': 4.0.0
+      '@slack/web-api': 7.13.0
+      '@types/jsonwebtoken': 9.0.10
+      '@types/node': 25.0.3
+      jsonwebtoken: 9.0.3
+    transitivePeerDependencies:
+      - debug
+
+  '@slack/socket-mode@2.0.5':
+    dependencies:
+      '@slack/logger': 4.0.0
+      '@slack/web-api': 7.13.0
+      '@types/node': 25.0.3
+      '@types/ws': 8.18.1
+      eventemitter3: 5.0.1
+      ws: 8.18.3
+    transitivePeerDependencies:
+      - bufferutil
+      - debug
+      - utf-8-validate
+
+  '@slack/types@2.19.0': {}
+
+  '@slack/web-api@7.13.0':
+    dependencies:
+      '@slack/logger': 4.0.0
+      '@slack/types': 2.19.0
+      '@types/node': 25.0.3
+      '@types/retry': 0.12.0
+      axios: 1.13.2
+      eventemitter3: 5.0.1
+      form-data: 4.0.5
+      is-electron: 2.2.2
+      is-stream: 2.0.1
+      p-queue: 6.6.2
+      p-retry: 4.6.2
+      retry: 0.13.1
+    transitivePeerDependencies:
+      - debug
+
  '@standard-schema/spec@1.1.0': {}

  '@testing-library/dom@10.4.1':
@@ -3703,6 +3911,11 @@ snapshots:

  '@types/http-errors@2.0.5': {}

+  '@types/jsonwebtoken@9.0.10':
+    dependencies:
+      '@types/ms': 2.1.0
+      '@types/node': 25.0.3
+
  '@types/linkify-it@5.0.0': {}

  '@types/long@4.0.2': {}
@@ -3716,6 +3929,8 @@ snapshots:

  '@types/mime-types@2.1.4': {}

+  '@types/ms@2.1.0': {}
+
  '@types/node@10.17.60': {}

  '@types/node@25.0.3':
@@ -3728,6 +3943,8 @@ snapshots:

  '@types/range-parser@1.2.7': {}

+  '@types/retry@0.12.0': {}
+
  '@types/send@1.2.1':
    dependencies:
      '@types/node': 25.0.3
@@ -3961,6 +4178,8 @@ snapshots:
    dependencies:
      tslib: 2.8.1

+  asynckit@0.4.0: {}
+
  atomic-sleep@1.0.0: {}

  audio-buffer@5.0.0:
@@ -3981,6 +4200,14 @@ snapshots:
  audio-type@2.2.1:
    optional: true

+  axios@1.13.2:
+    dependencies:
+      follow-redirects: 1.15.11
+      form-data: 4.0.5
+      proxy-from-env: 1.1.0
+    transitivePeerDependencies:
+      - debug
+
  balanced-match@1.0.2: {}

  balanced-match@3.0.1: {}
@@ -4113,6 +4340,10 @@ snapshots:

  color-name@1.1.4: {}

+  combined-stream@1.0.8:
+    dependencies:
+      delayed-stream: 1.0.0
+
  commander@14.0.2: {}

  commander@8.3.0: {}
@@ -4149,6 +4380,8 @@ snapshots:
    dependencies:
      ms: 2.1.3

+  delayed-stream@1.0.0: {}
+
  depd@2.0.0: {}

  dequal@2.0.3:
@@ -4222,6 +4455,13 @@ snapshots:
    dependencies:
      es-errors: 1.3.0

+  es-set-tostringtag@2.1.0:
+    dependencies:
+      es-errors: 1.3.0
+      get-intrinsic: 1.3.0
+      has-tostringtag: 1.0.2
+      hasown: 2.0.2
+
  esbuild@0.27.2:
    optionalDependencies:
      '@esbuild/aix-ppc64': 0.27.2
@@ -4263,6 +4503,8 @@ snapshots:

  event-target-shim@5.0.1: {}

+  eventemitter3@4.0.7: {}
+
  eventemitter3@5.0.1: {}

  events@3.3.0: {}
@@ -4353,11 +4595,21 @@ snapshots:
    transitivePeerDependencies:
      - supports-color

+  follow-redirects@1.15.11: {}
+
  foreground-child@3.3.1:
    dependencies:
      cross-spawn: 7.0.6
      signal-exit: 4.1.0

+  form-data@4.0.5:
+    dependencies:
+      asynckit: 0.4.0
+      combined-stream: 1.0.8
+      es-set-tostringtag: 2.1.0
+      hasown: 2.0.2
+      mime-types: 2.1.35
+
  formdata-polyfill@4.0.10:
    dependencies:
      fetch-blob: 3.2.0
@@ -4478,6 +4730,10 @@ snapshots:

  has-symbols@1.1.0: {}

+  has-tostringtag@1.0.2:
+    dependencies:
+      has-symbols: 1.1.0
+
  hashery@1.4.0:
    dependencies:
      hookified: 1.14.0
@@ -4527,6 +4783,8 @@ snapshots:
    dependencies:
      binary-extensions: 2.3.0

+  is-electron@2.2.2: {}
+
  is-extglob@2.1.1: {}

  is-fullwidth-code-point@3.0.0: {}
@@ -4539,6 +4797,8 @@ snapshots:

  is-promise@4.0.0: {}

+  is-stream@2.0.1: {}
+
  is-url@1.2.4: {}

  isarray@1.0.0: {}
@@ -4600,6 +4860,19 @@ snapshots:

  jsonc-parser@3.3.1: {}

+  jsonwebtoken@9.0.3:
+    dependencies:
+      jws: 4.0.1
+      lodash.includes: 4.3.0
+      lodash.isboolean: 3.0.3
+      lodash.isinteger: 4.0.4
+      lodash.isnumber: 3.0.3
+      lodash.isplainobject: 4.0.6
+      lodash.isstring: 4.0.1
+      lodash.once: 4.1.1
+      ms: 2.1.3
+      semver: 7.7.3
+
  jszip@3.10.1:
    dependencies:
      lie: 3.3.0
@@ -4700,6 +4973,20 @@ snapshots:
      lit-element: 4.2.2
      lit-html: 3.3.2

+  lodash.includes@4.3.0: {}
+
+  lodash.isboolean@3.0.3: {}
+
+  lodash.isinteger@4.0.4: {}
+
+  lodash.isnumber@3.0.3: {}
+
+  lodash.isplainobject@4.0.6: {}
+
+  lodash.isstring@4.0.1: {}
+
+  lodash.once@4.1.1: {}
+
  lodash.snakecase@4.1.1: {}

  lodash@4.17.21: {}
@@ -4763,8 +5050,14 @@ snapshots:
      braces: 3.0.3
      picomatch: 2.3.1

+  mime-db@1.52.0: {}
+
  mime-db@1.54.0: {}

+  mime-types@2.1.35:
+    dependencies:
+      mime-db: 1.52.0
+
  mime-types@3.0.2:
    dependencies:
      mime-db: 1.54.0
@@ -4814,8 +5107,6 @@ snapshots:

  negotiator@1.0.0: {}

-  node-addon-api@7.1.1: {}
-
  node-domexception@1.0.0: {}

  node-fetch@2.7.0:
@@ -4892,11 +5183,27 @@ snapshots:
      '@oxlint/win32-x64': 1.36.0
      oxlint-tsgolint: 0.10.1

+  p-finally@1.0.0: {}
+
+  p-queue@6.6.2:
+    dependencies:
+      eventemitter3: 4.0.7
+      p-timeout: 3.2.0
+
  p-queue@9.0.1:
    dependencies:
      eventemitter3: 5.0.1
      p-timeout: 7.0.1

+  p-retry@4.6.2:
+    dependencies:
+      '@types/retry': 0.12.0
+      retry: 0.13.1
+
+  p-timeout@3.2.0:
+    dependencies:
+      p-finally: 1.0.0
+
  p-timeout@7.0.1: {}

  package-json-from-dist@1.0.1: {}
@@ -5036,6 +5343,8 @@ snapshots:
      forwarded: 0.2.0
      ipaddr.js: 1.9.1

+  proxy-from-env@1.1.0: {}
+
  punycode.js@2.3.1: {}

  qified@0.5.3:
@@ -5122,6 +5431,8 @@ snapshots:

  retry@0.12.0: {}

+  retry@0.13.1: {}
+
  reusify@1.1.0: {}

  rimraf@5.0.10:
@@ -5432,6 +5743,8 @@ snapshots:

  tslog@4.10.2: {}

+  tsscmp@1.0.6: {}
+
  tsx@4.21.0:
    dependencies:
      esbuild: 0.27.2
--- a/src/agents/clawdis-tools.ts
+++ b/src/agents/clawdis-tools.ts
@@ -8,6 +8,7 @@ import { createNodesTool } from "./tools/nodes-tool.js";
 import { createSessionsHistoryTool } from "./tools/sessions-history-tool.js";
 import { createSessionsListTool } from "./tools/sessions-list-tool.js";
 import { createSessionsSendTool } from "./tools/sessions-send-tool.js";
+import { createSlackTool } from "./tools/slack-tool.js";

 export function createClawdisTools(options?: {
  browserControlUrl?: string;
@@ -20,6 +21,7 @@ export function createClawdisTools(options?: {
    createNodesTool(),
    createCronTool(),
    createDiscordTool(),
+    createSlackTool(),
    createGatewayTool(),
    createSessionsListTool(),
    createSessionsHistoryTool(),
--- a/src/agents/pi-tools.test.ts
+++ b/src/agents/pi-tools.test.ts
@@ -88,6 +88,14 @@ describe("createClawdisCodingTools", () => {
    expect(discord.some((tool) => tool.name === "discord")).toBe(true);
  });

+  it("scopes slack tool to slack surface", () => {
+    const other = createClawdisCodingTools({ surface: "whatsapp" });
+    expect(other.some((tool) => tool.name === "slack")).toBe(false);
+
+    const slack = createClawdisCodingTools({ surface: "slack" });
+    expect(slack.some((tool) => tool.name === "slack")).toBe(true);
+  });
+
  it("keeps read tool image metadata intact", async () => {
    const tools = createClawdisCodingTools();
    const readTool = tools.find((tool) => tool.name === "read");
--- a/src/agents/pi-tools.ts
+++ b/src/agents/pi-tools.ts
@@ -441,6 +441,12 @@ function shouldIncludeDiscordTool(surface?: string): boolean {
  return normalized === "discord" || normalized.startsWith("discord:");
 }

+function shouldIncludeSlackTool(surface?: string): boolean {
+  const normalized = normalizeSurface(surface);
+  if (!normalized) return false;
+  return normalized === "slack" || normalized.startsWith("slack:");
+}
+
 export function createClawdisCodingTools(options?: {
  bash?: BashToolDefaults & ProcessToolDefaults;
  surface?: string;
@@ -494,9 +500,12 @@ export function createClawdisCodingTools(options?: {
    }),
  ];
  const allowDiscord = shouldIncludeDiscordTool(options?.surface);
-  const filtered = allowDiscord
-    ? tools
-    : tools.filter((tool) => tool.name !== "discord");
+  const allowSlack = shouldIncludeSlackTool(options?.surface);
+  const filtered = tools.filter((tool) => {
+    if (tool.name === "discord") return allowDiscord;
+    if (tool.name === "slack") return allowSlack;
+    return true;
+  });
  const sandboxed = sandbox
    ? filterToolsByPolicy(filtered, sandbox.tools)
    : filtered;
--- a/src/agents/tools/slack-actions.ts
+++ b/src/agents/tools/slack-actions.ts
@@ -66,10 +66,8 @@ export async function handleSlackAction(
        const to = readStringParam(params, "to", { required: true });
        const content = readStringParam(params, "content", { required: true });
        const mediaUrl = readStringParam(params, "mediaUrl");
-        const replyTo = readStringParam(params, "replyTo");
        const result = await sendSlackMessage(to, content, {
          mediaUrl: mediaUrl ?? undefined,
-          replyTo: replyTo ?? undefined,
        });
        return jsonResult({ ok: true, result });
      }
--- a/src/agents/tools/slack-schema.ts
+++ b/src/agents/tools/slack-schema.ts
@@ -17,7 +17,6 @@ export const SlackToolSchema = Type.Union([
    to: Type.String(),
    content: Type.String(),
    mediaUrl: Type.Optional(Type.String()),
-    replyTo: Type.Optional(Type.String()),
  }),
  Type.Object({
    action: Type.Literal("editMessage"),
--- a/src/auto-reply/chunk.test.ts
+++ b/src/auto-reply/chunk.test.ts
@@ -63,7 +63,10 @@ describe("resolveTextChunkLimit", () => {
  });

  it("uses the matching provider override", () => {
-    const cfg = { discord: { textChunkLimit: 111 }, slack: { textChunkLimit: 222 } };
+    const cfg = {
+      discord: { textChunkLimit: 111 },
+      slack: { textChunkLimit: 222 },
+    };
    expect(resolveTextChunkLimit(cfg, "discord")).toBe(111);
    expect(resolveTextChunkLimit(cfg, "slack")).toBe(222);
    expect(resolveTextChunkLimit(cfg, "telegram")).toBe(4000);
--- a/src/cli/deps.ts
+++ b/src/cli/deps.ts
@@ -2,12 +2,14 @@ import { sendMessageDiscord } from "../discord/send.js";
 import { sendMessageIMessage } from "../imessage/send.js";
 import { logWebSelfId, sendMessageWhatsApp } from "../providers/web/index.js";
 import { sendMessageSignal } from "../signal/send.js";
+import { sendMessageSlack } from "../slack/send.js";
 import { sendMessageTelegram } from "../telegram/send.js";

 export type CliDeps = {
  sendMessageWhatsApp: typeof sendMessageWhatsApp;
  sendMessageTelegram: typeof sendMessageTelegram;
  sendMessageDiscord: typeof sendMessageDiscord;
+  sendMessageSlack: typeof sendMessageSlack;
  sendMessageSignal: typeof sendMessageSignal;
  sendMessageIMessage: typeof sendMessageIMessage;
 };
@@ -17,6 +19,7 @@ export function createDefaultDeps(): CliDeps {
    sendMessageWhatsApp,
    sendMessageTelegram,
    sendMessageDiscord,
+    sendMessageSlack,
    sendMessageSignal,
    sendMessageIMessage,
  };
--- a/src/cli/program.ts
+++ b/src/cli/program.ts
@@ -300,7 +300,7 @@ export function buildProgram() {
  program
    .command("send")
    .description(
-      "Send a message (WhatsApp Web, Telegram bot, Discord, Signal, iMessage)",
+      "Send a message (WhatsApp Web, Telegram bot, Discord, Slack, Signal, iMessage)",
    )
    .requiredOption(
      "-t, --to <number>",
@@ -318,7 +318,7 @@ export function buildProgram() {
    )
    .option(
      "--provider <provider>",
-      "Delivery provider: whatsapp|telegram|discord|signal|imessage (default: whatsapp)",
+      "Delivery provider: whatsapp|telegram|discord|slack|signal|imessage (default: whatsapp)",
    )
    .option("--dry-run", "Print payload and skip sending", false)
    .option("--json", "Output result as JSON", false)
@@ -361,7 +361,7 @@ Examples:
    .option("--verbose <on|off>", "Persist agent verbose level for the session")
    .option(
      "--provider <provider>",
-      "Delivery provider: whatsapp|telegram|discord|signal|imessage (default: whatsapp)",
+      "Delivery provider: whatsapp|telegram|discord|slack|signal|imessage (default: whatsapp)",
    )
    .option(
      "--deliver",
@@ -411,7 +411,7 @@ Examples:
    .option("--json", "Output JSON instead of text", false)
    .option(
      "--deep",
-      "Probe providers (WhatsApp Web + Telegram + Discord + Signal)",
+      "Probe providers (WhatsApp Web + Telegram + Discord + Slack + Signal)",
      false,
    )
    .option("--timeout <ms>", "Probe timeout in milliseconds", "10000")
@@ -422,7 +422,7 @@ Examples:
 Examples:
  clawdis status                   # show linked account + session store summary
  clawdis status --json            # machine-readable output
-  clawdis status --deep            # run provider probes (WA + Telegram + Discord + Signal)
+  clawdis status --deep            # run provider probes (WA + Telegram + Discord + Slack + Signal)
  clawdis status --deep --timeout 5000 # tighten probe timeout`,
    )
    .action(async (opts) => {
--- a/src/commands/agent.ts
+++ b/src/commands/agent.ts
@@ -473,6 +473,7 @@ export async function agentCommand(
  const whatsappTarget = opts.to ? normalizeE164(opts.to) : allowFrom[0];
  const telegramTarget = opts.to?.trim() || undefined;
  const discordTarget = opts.to?.trim() || undefined;
+  const slackTarget = opts.to?.trim() || undefined;
  const signalTarget = opts.to?.trim() || undefined;
  const imessageTarget = opts.to?.trim() || undefined;

@@ -484,11 +485,13 @@ export async function agentCommand(
          ? whatsappTarget
          : deliveryProvider === "discord"
            ? discordTarget
-            : deliveryProvider === "signal"
-              ? signalTarget
-              : deliveryProvider === "imessage"
-                ? imessageTarget
-                : undefined;
+            : deliveryProvider === "slack"
+              ? slackTarget
+              : deliveryProvider === "signal"
+                ? signalTarget
+                : deliveryProvider === "imessage"
+                  ? imessageTarget
+                  : undefined;
    const message = `Delivery failed (${deliveryProvider}${deliveryTarget ? ` to ${deliveryTarget}` : ""}): ${String(err)}`;
    runtime.error?.(message);
    if (!runtime.error) runtime.log(message);
@@ -514,6 +517,13 @@ export async function agentCommand(
      if (!bestEffortDeliver) throw err;
      logDeliveryError(err);
    }
+    if (deliveryProvider === "slack" && !slackTarget) {
+      const err = new Error(
+        "Delivering to Slack requires --to <channelId|user:ID|channel:ID>",
+      );
+      if (!bestEffortDeliver) throw err;
+      logDeliveryError(err);
+    }
    if (deliveryProvider === "signal" && !signalTarget) {
      const err = new Error(
        "Delivering to Signal requires --to <E.164|group:ID|signal:group:ID|signal:+E.164>",
@@ -539,6 +549,7 @@ export async function agentCommand(
      deliveryProvider !== "whatsapp" &&
      deliveryProvider !== "telegram" &&
      deliveryProvider !== "discord" &&
+      deliveryProvider !== "slack" &&
      deliveryProvider !== "signal" &&
      deliveryProvider !== "imessage" &&
      deliveryProvider !== "webchat"
@@ -574,6 +585,7 @@ export async function agentCommand(
    deliveryProvider === "whatsapp" ||
    deliveryProvider === "telegram" ||
    deliveryProvider === "discord" ||
+    deliveryProvider === "slack" ||
    deliveryProvider === "signal" ||
    deliveryProvider === "imessage"
      ? resolveTextChunkLimit(cfg, deliveryProvider)
@@ -666,6 +678,26 @@ export async function agentCommand(
      }
    }

+    if (deliveryProvider === "slack" && slackTarget) {
+      try {
+        if (media.length === 0) {
+          await deps.sendMessageSlack(slackTarget, text);
+        } else {
+          let first = true;
+          for (const url of media) {
+            const caption = first ? text : "";
+            first = false;
+            await deps.sendMessageSlack(slackTarget, caption, {
+              mediaUrl: url,
+            });
+          }
+        }
+      } catch (err) {
+        if (!bestEffortDeliver) throw err;
+        logDeliveryError(err);
+      }
+    }
+
    if (deliveryProvider === "signal" && signalTarget) {
      try {
        if (media.length === 0) {
--- a/src/commands/onboard-providers.ts
+++ b/src/commands/onboard-providers.ts
@@ -31,6 +31,7 @@ async function noteProviderPrimer(prompter: WizardPrompter): Promise<void> {
      "WhatsApp: dedicated second number recommended; primary number OK (self-chat).",
      "Telegram: Bot API (token from @BotFather), replies via your bot.",
      "Discord: Bot token from Discord Developer Portal; invite bot to your server.",
+      "Slack: Socket Mode app token + bot token, DMs via App Home Messages tab.",
      "Signal: signal-cli as a linked device; separate number recommended.",
      "iMessage: local imsg CLI; separate Apple ID recommended only on a separate Mac.",
    ].join("\n"),
@@ -74,6 +75,10 @@ function buildSlackManifest(botName: string) {
        display_name: safeName,
        always_online: false,
      },
+      app_home: {
+        messages_tab_enabled: true,
+        messages_tab_read_only_enabled: false,
+      },
      slash_commands: [
        {
          command: "/clawd",
@@ -94,6 +99,7 @@ function buildSlackManifest(botName: string) {
          "users:read",
          "app_mentions:read",
          "reactions:read",
+          "reactions:write",
          "pins:read",
          "pins:write",
          "emoji:read",
@@ -137,6 +143,7 @@ async function noteSlackTokenHelp(
      "2) Add Socket Mode + enable it to get the app-level token (xapp-...)",
      "3) OAuth & Permissions → install app to workspace (xoxb- bot token)",
      "4) Enable Event Subscriptions (socket) for message events",
+      "5) App Home → enable the Messages tab for DMs",
      "Tip: set SLACK_BOT_TOKEN + SLACK_APP_TOKEN in your env.",
      "",
      "Manifest (JSON):",
@@ -237,10 +244,16 @@ export async function setupProviders(
  const whatsappLinked = await detectWhatsAppLinked();
  const telegramEnv = Boolean(process.env.TELEGRAM_BOT_TOKEN?.trim());
  const discordEnv = Boolean(process.env.DISCORD_BOT_TOKEN?.trim());
+  const slackBotEnv = Boolean(process.env.SLACK_BOT_TOKEN?.trim());
+  const slackAppEnv = Boolean(process.env.SLACK_APP_TOKEN?.trim());
  const telegramConfigured = Boolean(
    telegramEnv || cfg.telegram?.botToken || cfg.telegram?.tokenFile,
  );
  const discordConfigured = Boolean(discordEnv || cfg.discord?.token);
+  const slackConfigured = Boolean(
+    (slackBotEnv && slackAppEnv) ||
+      (cfg.slack?.botToken && cfg.slack?.appToken),
+  );
  const signalConfigured = Boolean(
    cfg.signal?.account || cfg.signal?.httpUrl || cfg.signal?.httpPort,
  );
@@ -257,6 +270,7 @@ export async function setupProviders(
      `WhatsApp: ${whatsappLinked ? "linked" : "not linked"}`,
      `Telegram: ${telegramConfigured ? "configured" : "needs token"}`,
      `Discord: ${discordConfigured ? "configured" : "needs token"}`,
+      `Slack: ${slackConfigured ? "configured" : "needs tokens"}`,
      `Signal: ${signalConfigured ? "configured" : "needs setup"}`,
      `iMessage: ${imessageConfigured ? "configured" : "needs setup"}`,
      `signal-cli: ${signalCliDetected ? "found" : "missing"} (${signalCliPath})`,
@@ -291,6 +305,11 @@ export async function setupProviders(
        label: "Discord (Bot API)",
        hint: discordConfigured ? "configured" : "needs token",
      },
+      {
+        value: "slack",
+        label: "Slack (Socket Mode)",
+        hint: slackConfigured ? "configured" : "needs tokens",
+      },
      {
        value: "signal",
        label: "Signal (signal-cli)",
@@ -695,6 +714,19 @@ export async function setupProviders(
      }
    }

+    if (!selection.includes("slack") && slackConfigured) {
+      const disable = await prompter.confirm({
+        message: "Disable Slack provider?",
+        initialValue: false,
+      });
+      if (disable) {
+        next = {
+          ...next,
+          slack: { ...next.slack, enabled: false },
+        };
+      }
+    }
+
    if (!selection.includes("signal") && signalConfigured) {
      const disable = await prompter.confirm({
        message: "Disable Signal provider?",
@@ -724,4 +756,3 @@ export async function setupProviders(

  return next;
 }
-
--- a/src/commands/onboard-types.ts
+++ b/src/commands/onboard-types.ts
@@ -14,6 +14,7 @@ export type ProviderChoice =
  | "whatsapp"
  | "telegram"
  | "discord"
+  | "slack"
  | "signal"
  | "imessage";

--- a/src/commands/send.test.ts
+++ b/src/commands/send.test.ts
@@ -41,6 +41,7 @@ const makeDeps = (overrides: Partial<CliDeps> = {}): CliDeps => ({
  sendMessageWhatsApp: vi.fn(),
  sendMessageTelegram: vi.fn(),
  sendMessageDiscord: vi.fn(),
+  sendMessageSlack: vi.fn(),
  sendMessageSignal: vi.fn(),
  sendMessageIMessage: vi.fn(),
  ...overrides,
@@ -173,6 +174,25 @@ describe("sendCommand", () => {
    expect(deps.sendMessageWhatsApp).not.toHaveBeenCalled();
  });

+  it("routes to slack provider", async () => {
+    const deps = makeDeps({
+      sendMessageSlack: vi
+        .fn()
+        .mockResolvedValue({ messageId: "s1", channelId: "C123" }),
+    });
+    await sendCommand(
+      { to: "channel:C123", message: "hi", provider: "slack" },
+      deps,
+      runtime,
+    );
+    expect(deps.sendMessageSlack).toHaveBeenCalledWith(
+      "channel:C123",
+      "hi",
+      expect.objectContaining({ mediaUrl: undefined }),
+    );
+    expect(deps.sendMessageWhatsApp).not.toHaveBeenCalled();
+  });
+
  it("routes to imessage provider", async () => {
    const deps = makeDeps({
      sendMessageIMessage: vi.fn().mockResolvedValue({ messageId: "i1" }),
--- a/src/commands/send.ts
+++ b/src/commands/send.ts
@@ -86,6 +86,34 @@ export async function sendCommand(
    return;
  }

+  if (provider === "slack") {
+    const result = await deps.sendMessageSlack(opts.to, opts.message, {
+      mediaUrl: opts.media,
+    });
+    runtime.log(
+      success(
+        `✅ Sent via slack. Message ID: ${result.messageId} (channel ${result.channelId})`,
+      ),
+    );
+    if (opts.json) {
+      runtime.log(
+        JSON.stringify(
+          {
+            provider: "slack",
+            via: "direct",
+            to: opts.to,
+            channelId: result.channelId,
+            messageId: result.messageId,
+            mediaUrl: opts.media ?? null,
+          },
+          null,
+          2,
+        ),
+      );
+    }
+    return;
+  }
+
  if (provider === "signal") {
    const result = await deps.sendMessageSignal(opts.to, opts.message, {
      mediaUrl: opts.media,
--- a/src/config/sessions.ts
+++ b/src/config/sessions.ts
@@ -61,6 +61,7 @@ export type SessionEntry = {
    | "whatsapp"
    | "telegram"
    | "discord"
+    | "slack"
    | "signal"
    | "imessage"
    | "webchat";
--- a/src/config/types.ts
+++ b/src/config/types.ts
@@ -65,6 +65,7 @@ export type AgentElevatedAllowFromConfig = {
  whatsapp?: string[];
  telegram?: Array<string | number>;
  discord?: Array<string | number>;
+  slack?: Array<string | number>;
  signal?: Array<string | number>;
  imessage?: Array<string | number>;
  webchat?: Array<string | number>;
@@ -337,7 +338,6 @@ export type SlackConfig = {
  botToken?: string;
  appToken?: string;
  textChunkLimit?: number;
-  replyToMode?: ReplyToMode;
  mediaMaxMb?: number;
  /** Reaction notification mode (off|own|all|allowlist). Default: own. */
  reactionNotifications?: SlackReactionNotificationMode;
--- a/src/config/zod-schema.ts
+++ b/src/config/zod-schema.ts
@@ -417,6 +417,7 @@ export const ClawdisSchema = z.object({
              whatsapp: z.array(z.string()).optional(),
              telegram: z.array(z.union([z.string(), z.number()])).optional(),
              discord: z.array(z.union([z.string(), z.number()])).optional(),
+              slack: z.array(z.union([z.string(), z.number()])).optional(),
              signal: z.array(z.union([z.string(), z.number()])).optional(),
              imessage: z.array(z.union([z.string(), z.number()])).optional(),
              webchat: z.array(z.union([z.string(), z.number()])).optional(),
@@ -628,7 +629,6 @@ export const ClawdisSchema = z.object({
      botToken: z.string().optional(),
      appToken: z.string().optional(),
      textChunkLimit: z.number().int().positive().optional(),
-      replyToMode: ReplyToModeSchema.optional(),
      mediaMaxMb: z.number().positive().optional(),
      reactionNotifications: z
        .enum(["off", "own", "all", "allowlist"])
--- a/src/cron/isolated-agent.ts
+++ b/src/cron/isolated-agent.ts
@@ -64,6 +64,7 @@ function resolveDeliveryTarget(
      | "whatsapp"
      | "telegram"
      | "discord"
+      | "slack"
      | "signal"
      | "imessage";
    to?: string;
@@ -92,6 +93,7 @@ function resolveDeliveryTarget(
      requestedChannel === "whatsapp" ||
      requestedChannel === "telegram" ||
      requestedChannel === "discord" ||
+      requestedChannel === "slack" ||
      requestedChannel === "signal" ||
      requestedChannel === "imessage"
    ) {
@@ -447,6 +449,43 @@ export async function runCronIsolatedAgentTurn(params: {
          return { status: "error", summary, error: String(err) };
        return { status: "ok", summary };
      }
+    } else if (resolvedDelivery.channel === "slack") {
+      if (!resolvedDelivery.to) {
+        if (!bestEffortDeliver)
+          return {
+            status: "error",
+            summary,
+            error:
+              "Cron delivery to Slack requires --channel slack and --to <channelId|user:ID>",
+          };
+        return {
+          status: "skipped",
+          summary: "Delivery skipped (no Slack destination).",
+        };
+      }
+      const slackTarget = resolvedDelivery.to;
+      try {
+        for (const payload of payloads) {
+          const mediaList =
+            payload.mediaUrls ?? (payload.mediaUrl ? [payload.mediaUrl] : []);
+          if (mediaList.length === 0) {
+            await params.deps.sendMessageSlack(slackTarget, payload.text ?? "");
+          } else {
+            let first = true;
+            for (const url of mediaList) {
+              const caption = first ? (payload.text ?? "") : "";
+              first = false;
+              await params.deps.sendMessageSlack(slackTarget, caption, {
+                mediaUrl: url,
+              });
+            }
+          }
+        }
+      } catch (err) {
+        if (!bestEffortDeliver)
+          return { status: "error", summary, error: String(err) };
+        return { status: "ok", summary };
+      }
    } else if (resolvedDelivery.channel === "signal") {
      if (!resolvedDelivery.to) {
        if (!bestEffortDeliver)
--- a/src/cron/types.ts
+++ b/src/cron/types.ts
@@ -19,6 +19,7 @@ export type CronPayload =
        | "whatsapp"
        | "telegram"
        | "discord"
+        | "slack"
        | "signal"
        | "imessage";
      to?: string;
--- a/src/gateway/config-reload.ts
+++ b/src/gateway/config-reload.ts
@@ -15,6 +15,7 @@ export type ProviderKind =
  | "whatsapp"
  | "telegram"
  | "discord"
+  | "slack"
  | "signal"
  | "imessage";

@@ -47,6 +48,7 @@ type ReloadAction =
  | "restart-provider:whatsapp"
  | "restart-provider:telegram"
  | "restart-provider:discord"
+  | "restart-provider:slack"
  | "restart-provider:signal"
  | "restart-provider:imessage";

@@ -70,6 +72,7 @@ const RELOAD_RULES: ReloadRule[] = [
  { prefix: "web", kind: "hot", actions: ["restart-provider:whatsapp"] },
  { prefix: "telegram", kind: "hot", actions: ["restart-provider:telegram"] },
  { prefix: "discord", kind: "hot", actions: ["restart-provider:discord"] },
+  { prefix: "slack", kind: "hot", actions: ["restart-provider:slack"] },
  { prefix: "signal", kind: "hot", actions: ["restart-provider:signal"] },
  { prefix: "imessage", kind: "hot", actions: ["restart-provider:imessage"] },
  { prefix: "identity", kind: "none" },
@@ -200,6 +203,9 @@ export function buildGatewayReloadPlan(
      case "restart-provider:discord":
        plan.restartProviders.add("discord");
        break;
+      case "restart-provider:slack":
+        plan.restartProviders.add("slack");
+        break;
      case "restart-provider:signal":
        plan.restartProviders.add("signal");
        break;
--- a/src/gateway/hooks-mapping.ts
+++ b/src/gateway/hooks-mapping.ts
@@ -23,6 +23,7 @@ export type HookMappingResolved = {
    | "whatsapp"
    | "telegram"
    | "discord"
+    | "slack"
    | "signal"
    | "imessage";
  to?: string;
@@ -61,6 +62,7 @@ export type HookAction =
        | "whatsapp"
        | "telegram"
        | "discord"
+        | "slack"
        | "signal"
        | "imessage";
      to?: string;
@@ -99,7 +101,14 @@ type HookTransformResult = Partial<{
  name: string;
  sessionKey: string;
  deliver: boolean;
-  channel: "last" | "whatsapp" | "telegram" | "discord" | "signal" | "imessage";
+  channel:
+    | "last"
+    | "whatsapp"
+    | "telegram"
+    | "discord"
+    | "slack"
+    | "signal"
+    | "imessage";
  to: string;
  thinking: string;
  timeoutSeconds: number;
--- a/src/gateway/protocol/schema.ts
+++ b/src/gateway/protocol/schema.ts
@@ -635,6 +635,7 @@ export const CronPayloadSchema = Type.Union([
          Type.Literal("whatsapp"),
          Type.Literal("telegram"),
          Type.Literal("discord"),
+          Type.Literal("slack"),
        ]),
      ),
      to: Type.Optional(Type.String()),
--- a/src/gateway/server-http.ts
+++ b/src/gateway/server-http.ts
@@ -37,6 +37,7 @@ type HookDispatchers = {
      | "whatsapp"
      | "telegram"
      | "discord"
+      | "slack"
      | "signal"
      | "imessage";
    to?: string;
--- a/src/gateway/server-methods/providers.ts
+++ b/src/gateway/server-methods/providers.ts
@@ -8,6 +8,11 @@ import { type DiscordProbe, probeDiscord } from "../../discord/probe.js";
 import { type IMessageProbe, probeIMessage } from "../../imessage/probe.js";
 import { webAuthExists } from "../../providers/web/index.js";
 import { probeSignal, type SignalProbe } from "../../signal/probe.js";
+import { probeSlack, type SlackProbe } from "../../slack/probe.js";
+import {
+  resolveSlackAppToken,
+  resolveSlackBotToken,
+} from "../../slack/token.js";
 import { probeTelegram, type TelegramProbe } from "../../telegram/probe.js";
 import { resolveTelegramToken } from "../../telegram/token.js";
 import { getWebAuthAgeMs, readWebSelfId } from "../../web/session.js";
@@ -74,6 +79,41 @@ export const providersHandlers: GatewayRequestHandlers = {
      discordLastProbeAt = Date.now();
    }

+    const slackCfg = cfg.slack;
+    const slackEnabled = slackCfg?.enabled !== false;
+    const slackBotEnvToken = slackEnabled
+      ? resolveSlackBotToken(process.env.SLACK_BOT_TOKEN)
+      : undefined;
+    const slackBotConfigToken = slackEnabled
+      ? resolveSlackBotToken(slackCfg?.botToken)
+      : undefined;
+    const slackBotToken = slackBotEnvToken ?? slackBotConfigToken ?? "";
+    const slackBotTokenSource = slackBotEnvToken
+      ? "env"
+      : slackBotConfigToken
+        ? "config"
+        : "none";
+    const slackAppEnvToken = slackEnabled
+      ? resolveSlackAppToken(process.env.SLACK_APP_TOKEN)
+      : undefined;
+    const slackAppConfigToken = slackEnabled
+      ? resolveSlackAppToken(slackCfg?.appToken)
+      : undefined;
+    const slackAppToken = slackAppEnvToken ?? slackAppConfigToken ?? "";
+    const slackAppTokenSource = slackAppEnvToken
+      ? "env"
+      : slackAppConfigToken
+        ? "config"
+        : "none";
+    const slackConfigured =
+      slackEnabled && Boolean(slackBotToken) && Boolean(slackAppToken);
+    let slackProbe: SlackProbe | undefined;
+    let slackLastProbeAt: number | null = null;
+    if (probe && slackConfigured) {
+      slackProbe = await probeSlack(slackBotToken, timeoutMs);
+      slackLastProbeAt = Date.now();
+    }
+
    const signalCfg = cfg.signal;
    const signalEnabled = signalCfg?.enabled !== false;
    const signalHost = signalCfg?.httpHost?.trim() || "127.0.0.1";
@@ -152,6 +192,17 @@ export const providersHandlers: GatewayRequestHandlers = {
          probe: discordProbe,
          lastProbeAt: discordLastProbeAt,
        },
+        slack: {
+          configured: slackConfigured,
+          botTokenSource: slackBotTokenSource,
+          appTokenSource: slackAppTokenSource,
+          running: runtime.slack.running,
+          lastStartAt: runtime.slack.lastStartAt ?? null,
+          lastStopAt: runtime.slack.lastStopAt ?? null,
+          lastError: runtime.slack.lastError ?? null,
+          probe: slackProbe,
+          lastProbeAt: slackLastProbeAt,
+        },
        signal: {
          configured: signalConfigured,
          baseUrl: signalBaseUrl,
--- a/src/gateway/server-methods/send.ts
+++ b/src/gateway/server-methods/send.ts
@@ -3,6 +3,7 @@ import { sendMessageDiscord } from "../../discord/index.js";
 import { shouldLogVerbose } from "../../globals.js";
 import { sendMessageIMessage } from "../../imessage/index.js";
 import { sendMessageSignal } from "../../signal/index.js";
+import { sendMessageSlack } from "../../slack/send.js";
 import { sendMessageTelegram } from "../../telegram/send.js";
 import { resolveTelegramToken } from "../../telegram/token.js";
 import { sendMessageWhatsApp } from "../../web/outbound.js";
@@ -87,6 +88,22 @@ export const sendHandlers: GatewayRequestHandlers = {
          payload,
        });
        respond(true, payload, undefined, { provider });
+      } else if (provider === "slack") {
+        const result = await sendMessageSlack(to, message, {
+          mediaUrl: request.mediaUrl,
+        });
+        const payload = {
+          runId: idem,
+          messageId: result.messageId,
+          channelId: result.channelId,
+          provider,
+        };
+        context.dedupe.set(`send:${idem}`, {
+          ts: Date.now(),
+          ok: true,
+          payload,
+        });
+        respond(true, payload, undefined, { provider });
      } else if (provider === "signal") {
        const cfg = loadConfig();
        const host = cfg.signal?.httpHost?.trim() || "127.0.0.1";
--- a/src/gateway/server-providers.ts
+++ b/src/gateway/server-providers.ts
@@ -7,6 +7,11 @@ import type { createSubsystemLogger } from "../logging.js";
 import { monitorWebProvider, webAuthExists } from "../providers/web/index.js";
 import type { RuntimeEnv } from "../runtime.js";
 import { monitorSignalProvider } from "../signal/index.js";
+import {
+  monitorSlackProvider,
+  resolveSlackAppToken,
+  resolveSlackBotToken,
+} from "../slack/index.js";
 import { monitorTelegramProvider } from "../telegram/monitor.js";
 import { probeTelegram } from "../telegram/probe.js";
 import { resolveTelegramToken } from "../telegram/token.js";
@@ -29,6 +34,13 @@ export type DiscordRuntimeStatus = {
  lastError?: string | null;
 };

+export type SlackRuntimeStatus = {
+  running: boolean;
+  lastStartAt?: number | null;
+  lastStopAt?: number | null;
+  lastError?: string | null;
+};
+
 export type SignalRuntimeStatus = {
  running: boolean;
  lastStartAt?: number | null;
@@ -50,6 +62,7 @@ export type ProviderRuntimeSnapshot = {
  whatsapp: WebProviderStatus;
  telegram: TelegramRuntimeStatus;
  discord: DiscordRuntimeStatus;
+  slack: SlackRuntimeStatus;
  signal: SignalRuntimeStatus;
  imessage: IMessageRuntimeStatus;
 };
@@ -61,11 +74,13 @@ type ProviderManagerOptions = {
  logWhatsApp: SubsystemLogger;
  logTelegram: SubsystemLogger;
  logDiscord: SubsystemLogger;
+  logSlack: SubsystemLogger;
  logSignal: SubsystemLogger;
  logIMessage: SubsystemLogger;
  whatsappRuntimeEnv: RuntimeEnv;
  telegramRuntimeEnv: RuntimeEnv;
  discordRuntimeEnv: RuntimeEnv;
+  slackRuntimeEnv: RuntimeEnv;
  signalRuntimeEnv: RuntimeEnv;
  imessageRuntimeEnv: RuntimeEnv;
 };
@@ -79,6 +94,8 @@ export type ProviderManager = {
  stopTelegramProvider: () => Promise<void>;
  startDiscordProvider: () => Promise<void>;
  stopDiscordProvider: () => Promise<void>;
+  startSlackProvider: () => Promise<void>;
+  stopSlackProvider: () => Promise<void>;
  startSignalProvider: () => Promise<void>;
  stopSignalProvider: () => Promise<void>;
  startIMessageProvider: () => Promise<void>;
@@ -94,11 +111,13 @@ export function createProviderManager(
    logWhatsApp,
    logTelegram,
    logDiscord,
+    logSlack,
    logSignal,
    logIMessage,
    whatsappRuntimeEnv,
    telegramRuntimeEnv,
    discordRuntimeEnv,
+    slackRuntimeEnv,
    signalRuntimeEnv,
    imessageRuntimeEnv,
  } = opts;
@@ -106,11 +125,13 @@ export function createProviderManager(
  let whatsappAbort: AbortController | null = null;
  let telegramAbort: AbortController | null = null;
  let discordAbort: AbortController | null = null;
+  let slackAbort: AbortController | null = null;
  let signalAbort: AbortController | null = null;
  let imessageAbort: AbortController | null = null;
  let whatsappTask: Promise<unknown> | null = null;
  let telegramTask: Promise<unknown> | null = null;
  let discordTask: Promise<unknown> | null = null;
+  let slackTask: Promise<unknown> | null = null;
  let signalTask: Promise<unknown> | null = null;
  let imessageTask: Promise<unknown> | null = null;

@@ -137,6 +158,12 @@ export function createProviderManager(
    lastStopAt: null,
    lastError: null,
  };
+  let slackRuntime: SlackRuntimeStatus = {
+    running: false,
+    lastStartAt: null,
+    lastStopAt: null,
+    lastError: null,
+  };
  let signalRuntime: SignalRuntimeStatus = {
    running: false,
    lastStartAt: null,
@@ -432,6 +459,93 @@ export function createProviderManager(
    };
  };

+  const startSlackProvider = async () => {
+    if (slackTask) return;
+    const cfg = loadConfig();
+    if (cfg.slack?.enabled === false) {
+      slackRuntime = {
+        ...slackRuntime,
+        running: false,
+        lastError: "disabled",
+      };
+      if (shouldLogVerbose()) {
+        logSlack.debug("slack provider disabled (slack.enabled=false)");
+      }
+      return;
+    }
+    const botToken = resolveSlackBotToken(
+      process.env.SLACK_BOT_TOKEN ?? cfg.slack?.botToken ?? undefined,
+    );
+    const appToken = resolveSlackAppToken(
+      process.env.SLACK_APP_TOKEN ?? cfg.slack?.appToken ?? undefined,
+    );
+    if (!botToken || !appToken) {
+      slackRuntime = {
+        ...slackRuntime,
+        running: false,
+        lastError: "not configured",
+      };
+      if (shouldLogVerbose()) {
+        logSlack.debug(
+          "slack provider not configured (missing SLACK_BOT_TOKEN/SLACK_APP_TOKEN)",
+        );
+      }
+      return;
+    }
+    logSlack.info(
+      `starting provider${cfg.slack ? "" : " (no slack config; tokens via env)"}`,
+    );
+    slackAbort = new AbortController();
+    slackRuntime = {
+      ...slackRuntime,
+      running: true,
+      lastStartAt: Date.now(),
+      lastError: null,
+    };
+    const task = monitorSlackProvider({
+      botToken,
+      appToken,
+      runtime: slackRuntimeEnv,
+      abortSignal: slackAbort.signal,
+      mediaMaxMb: cfg.slack?.mediaMaxMb,
+      slashCommand: cfg.slack?.slashCommand,
+    })
+      .catch((err) => {
+        slackRuntime = {
+          ...slackRuntime,
+          lastError: formatError(err),
+        };
+        logSlack.error(`provider exited: ${formatError(err)}`);
+      })
+      .finally(() => {
+        slackAbort = null;
+        slackTask = null;
+        slackRuntime = {
+          ...slackRuntime,
+          running: false,
+          lastStopAt: Date.now(),
+        };
+      });
+    slackTask = task;
+  };
+
+  const stopSlackProvider = async () => {
+    if (!slackAbort && !slackTask) return;
+    slackAbort?.abort();
+    try {
+      await slackTask;
+    } catch {
+      // ignore
+    }
+    slackAbort = null;
+    slackTask = null;
+    slackRuntime = {
+      ...slackRuntime,
+      running: false,
+      lastStopAt: Date.now(),
+    };
+  };
+
  const startSignalProvider = async () => {
    if (signalTask) return;
    const cfg = loadConfig();
@@ -634,6 +748,7 @@ export function createProviderManager(
  const startProviders = async () => {
    await startWhatsAppProvider();
    await startDiscordProvider();
+    await startSlackProvider();
    await startTelegramProvider();
    await startSignalProvider();
    await startIMessageProvider();
@@ -652,6 +767,7 @@ export function createProviderManager(
    whatsapp: { ...whatsappRuntime },
    telegram: { ...telegramRuntime },
    discord: { ...discordRuntime },
+    slack: { ...slackRuntime },
    signal: { ...signalRuntime },
    imessage: { ...imessageRuntime },
  });
@@ -665,6 +781,8 @@ export function createProviderManager(
    stopTelegramProvider,
    startDiscordProvider,
    stopDiscordProvider,
+    startSlackProvider,
+    stopSlackProvider,
    startSignalProvider,
    stopSignalProvider,
    startIMessageProvider,
--- a/src/gateway/server.reload.test.ts
+++ b/src/gateway/server.reload.test.ts
@@ -55,6 +55,12 @@ const hoisted = vi.hoisted(() => {
        lastStopAt: null,
        lastError: null,
      },
+      slack: {
+        running: false,
+        lastStartAt: null,
+        lastStopAt: null,
+        lastError: null,
+      },
      signal: {
        running: false,
        lastStartAt: null,
@@ -78,6 +84,8 @@ const hoisted = vi.hoisted(() => {
    stopTelegramProvider: vi.fn(async () => {}),
    startDiscordProvider: vi.fn(async () => {}),
    stopDiscordProvider: vi.fn(async () => {}),
+    startSlackProvider: vi.fn(async () => {}),
+    stopSlackProvider: vi.fn(async () => {}),
    startSignalProvider: vi.fn(async () => {}),
    stopSignalProvider: vi.fn(async () => {}),
    startIMessageProvider: vi.fn(async () => {}),
--- a/src/gateway/server.ts
+++ b/src/gateway/server.ts
@@ -148,12 +148,14 @@ const logWsControl = log.child("ws");
 const logWhatsApp = logProviders.child("whatsapp");
 const logTelegram = logProviders.child("telegram");
 const logDiscord = logProviders.child("discord");
+const logSlack = logProviders.child("slack");
 const logSignal = logProviders.child("signal");
 const logIMessage = logProviders.child("imessage");
 const canvasRuntime = runtimeForLogger(logCanvas);
 const whatsappRuntimeEnv = runtimeForLogger(logWhatsApp);
 const telegramRuntimeEnv = runtimeForLogger(logTelegram);
 const discordRuntimeEnv = runtimeForLogger(logDiscord);
+const slackRuntimeEnv = runtimeForLogger(logSlack);
 const signalRuntimeEnv = runtimeForLogger(logSignal);
 const imessageRuntimeEnv = runtimeForLogger(logIMessage);

@@ -478,6 +480,7 @@ export async function startGatewayServer(
      | "whatsapp"
      | "telegram"
      | "discord"
+      | "slack"
      | "signal"
      | "imessage";
    to?: string;
@@ -722,11 +725,13 @@ export async function startGatewayServer(
    logWhatsApp,
    logTelegram,
    logDiscord,
+    logSlack,
    logSignal,
    logIMessage,
    whatsappRuntimeEnv,
    telegramRuntimeEnv,
    discordRuntimeEnv,
+    slackRuntimeEnv,
    signalRuntimeEnv,
    imessageRuntimeEnv,
  });
@@ -736,11 +741,13 @@ export async function startGatewayServer(
    startWhatsAppProvider,
    startTelegramProvider,
    startDiscordProvider,
+    startSlackProvider,
    startSignalProvider,
    startIMessageProvider,
    stopWhatsAppProvider,
    stopTelegramProvider,
    stopDiscordProvider,
+    stopSlackProvider,
    stopSignalProvider,
    stopIMessageProvider,
    markWhatsAppLoggedOut,
@@ -1593,7 +1600,7 @@ export async function startGatewayServer(
    }
  }

-  // Launch configured providers (WhatsApp Web, Discord, Telegram) so gateway replies via the
+  // Launch configured providers (WhatsApp Web, Discord, Slack, Telegram) so gateway replies via the
  // surface the message came from. Tests can opt out via CLAWDIS_SKIP_PROVIDERS.
  if (process.env.CLAWDIS_SKIP_PROVIDERS !== "1") {
    try {
@@ -1703,6 +1710,9 @@ export async function startGatewayServer(
            startDiscordProvider,
          );
        }
+        if (plan.restartProviders.has("slack")) {
+          await restartProvider("slack", stopSlackProvider, startSlackProvider);
+        }
        if (plan.restartProviders.has("signal")) {
          await restartProvider(
            "signal",
@@ -1806,6 +1816,7 @@ export async function startGatewayServer(
      await stopWhatsAppProvider();
      await stopTelegramProvider();
      await stopDiscordProvider();
+      await stopSlackProvider();
      await stopSignalProvider();
      await stopIMessageProvider();
      await stopGmailWatcher();
--- a/src/infra/heartbeat-runner.ts
+++ b/src/infra/heartbeat-runner.ts
@@ -22,6 +22,7 @@ import { getQueueSize } from "../process/command-queue.js";
 import { webAuthExists } from "../providers/web/index.js";
 import { defaultRuntime, type RuntimeEnv } from "../runtime.js";
 import { sendMessageSignal } from "../signal/send.js";
+import { sendMessageSlack } from "../slack/send.js";
 import { sendMessageTelegram } from "../telegram/send.js";
 import { normalizeE164 } from "../utils.js";
 import { getActiveWebListener } from "../web/active-listener.js";
@@ -38,12 +39,20 @@ export type HeartbeatTarget =
  | "whatsapp"
  | "telegram"
  | "discord"
+  | "slack"
  | "signal"
  | "imessage"
  | "none";

 export type HeartbeatDeliveryTarget = {
-  channel: "whatsapp" | "telegram" | "discord" | "signal" | "imessage" | "none";
+  channel:
+    | "whatsapp"
+    | "telegram"
+    | "discord"
+    | "slack"
+    | "signal"
+    | "imessage"
+    | "none";
  to?: string;
  reason?: string;
 };
@@ -53,6 +62,7 @@ type HeartbeatDeps = {
  sendWhatsApp?: typeof sendMessageWhatsApp;
  sendTelegram?: typeof sendMessageTelegram;
  sendDiscord?: typeof sendMessageDiscord;
+  sendSlack?: typeof sendMessageSlack;
  sendSignal?: typeof sendMessageSignal;
  sendIMessage?: typeof sendMessageIMessage;
  getQueueSize?: (lane?: string) => number;
@@ -183,6 +193,7 @@ export function resolveHeartbeatDeliveryTarget(params: {
    rawTarget === "whatsapp" ||
    rawTarget === "telegram" ||
    rawTarget === "discord" ||
+    rawTarget === "slack" ||
    rawTarget === "signal" ||
    rawTarget === "imessage" ||
    rawTarget === "none" ||
@@ -209,6 +220,7 @@ export function resolveHeartbeatDeliveryTarget(params: {
    | "whatsapp"
    | "telegram"
    | "discord"
+    | "slack"
    | "signal"
    | "imessage"
    | undefined =
@@ -217,6 +229,7 @@ export function resolveHeartbeatDeliveryTarget(params: {
      : target === "whatsapp" ||
          target === "telegram" ||
          target === "discord" ||
+          target === "slack" ||
          target === "signal" ||
          target === "imessage"
        ? target
@@ -288,7 +301,13 @@ function normalizeHeartbeatReply(
 }

 async function deliverHeartbeatReply(params: {
-  channel: "whatsapp" | "telegram" | "discord" | "signal" | "imessage";
+  channel:
+    | "whatsapp"
+    | "telegram"
+    | "discord"
+    | "slack"
+    | "signal"
+    | "imessage";
  to: string;
  text: string;
  mediaUrls: string[];
@@ -299,6 +318,7 @@ async function deliverHeartbeatReply(params: {
      | "sendWhatsApp"
      | "sendTelegram"
      | "sendDiscord"
+      | "sendSlack"
      | "sendSignal"
      | "sendIMessage"
    >
@@ -369,6 +389,20 @@ async function deliverHeartbeatReply(params: {
    return;
  }

+  if (channel === "slack") {
+    if (mediaUrls.length === 0) {
+      await deps.sendSlack(to, text);
+      return;
+    }
+    let first = true;
+    for (const url of mediaUrls) {
+      const caption = first ? text : "";
+      first = false;
+      await deps.sendSlack(to, caption, { mediaUrl: url });
+    }
+    return;
+  }
+
  if (mediaUrls.length === 0) {
    await deps.sendDiscord(to, text, { verbose: false });
    return;
@@ -498,6 +532,7 @@ export async function runHeartbeatOnce(opts: {
      sendWhatsApp: opts.deps?.sendWhatsApp ?? sendMessageWhatsApp,
      sendTelegram: opts.deps?.sendTelegram ?? sendMessageTelegram,
      sendDiscord: opts.deps?.sendDiscord ?? sendMessageDiscord,
+      sendSlack: opts.deps?.sendSlack ?? sendMessageSlack,
      sendSignal: opts.deps?.sendSignal ?? sendMessageSignal,
      sendIMessage: opts.deps?.sendIMessage ?? sendMessageIMessage,
    };
--- a/src/slack/actions.ts
+++ b/src/slack/actions.ts
@@ -86,12 +86,11 @@ export async function listSlackReactions(
 export async function sendSlackMessage(
  to: string,
  content: string,
-  opts: SlackActionClientOpts & { mediaUrl?: string; replyTo?: string } = {},
+  opts: SlackActionClientOpts & { mediaUrl?: string } = {},
 ) {
  return await sendMessageSlack(to, content, {
    token: opts.token,
    mediaUrl: opts.mediaUrl,
-    threadTs: opts.replyTo,
    client: opts.client,
  });
 }
--- a/src/slack/index.ts
+++ b/src/slack/index.ts
@@ -12,4 +12,6 @@ export {
  unpinSlackMessage,
 } from "./actions.js";
 export { monitorSlackProvider } from "./monitor.js";
+export { probeSlack } from "./probe.js";
 export { sendMessageSlack } from "./send.js";
+export { resolveSlackAppToken, resolveSlackBotToken } from "./token.js";
--- a/src/slack/monitor.ts
+++ b/src/slack/monitor.ts
@@ -6,7 +6,6 @@ import { getReplyFromConfig } from "../auto-reply/reply.js";
 import { SILENT_REPLY_TOKEN } from "../auto-reply/tokens.js";
 import type { ReplyPayload } from "../auto-reply/types.js";
 import type {
-  ReplyToMode,
  SlackReactionNotificationMode,
  SlackSlashCommandConfig,
 } from "../config/config.js";
@@ -26,7 +25,6 @@ export type MonitorSlackOpts = {
  appToken?: string;
  runtime?: RuntimeEnv;
  abortSignal?: AbortSignal;
-  replyToMode?: ReplyToMode;
  mediaMaxMb?: number;
  slashCommand?: SlackSlashCommandConfig;
 };
@@ -135,18 +133,6 @@ type SlackChannelConfigResolved = {
  requireMention: boolean;
 };

-export function resolveSlackReplyTarget(opts: {
-  replyToMode: ReplyToMode;
-  replyToId?: string;
-  hasReplied: boolean;
-}): string | undefined {
-  if (opts.replyToMode === "off") return undefined;
-  const replyToId = opts.replyToId?.trim();
-  if (!replyToId) return undefined;
-  if (opts.replyToMode === "all") return replyToId;
-  return opts.hasReplied ? undefined : replyToId;
-}
-
 function normalizeSlackSlug(raw?: string) {
  const trimmed = raw?.trim().toLowerCase() ?? "";
  if (!trimmed) return "";
@@ -353,7 +339,6 @@ export async function monitorSlackProvider(opts: MonitorSlackOpts = {}) {
  const groupDmChannels = normalizeAllowList(dmConfig?.groupChannels);
  const channelsConfig = cfg.slack?.channels;
  const dmEnabled = dmConfig?.enabled ?? true;
-  const replyToMode = opts.replyToMode ?? cfg.slack?.replyToMode ?? "off";
  const reactionMode = cfg.slack?.reactionNotifications ?? "own";
  const reactionAllowlist = cfg.slack?.reactionAllowlist ?? [];
  const slashCommand = resolveSlackSlashCommandConfig(
@@ -583,6 +568,14 @@ export async function monitorSlackProvider(opts: MonitorSlackOpts = {}) {
    const senderName = sender?.name ?? message.user;
    const roomLabel = channelName ? `#${channelName}` : `#${message.channel}`;

+    const preview = rawBody.replace(/\s+/g, " ").slice(0, 160);
+    const inboundLabel = isDirectMessage
+      ? `Slack DM from ${senderName}`
+      : `Slack message in ${roomLabel} from ${senderName}`;
+    enqueueSystemEvent(`${inboundLabel}: ${preview}`, {
+      contextKey: `slack:message:${message.channel}:${message.ts ?? "unknown"}`,
+    });
+
    const textWithId = `${rawBody}\n[slack message id: ${message.ts} channel: ${message.channel}]`;
    const body = formatAgentEnvelope({
      surface: "Slack",
@@ -634,7 +627,6 @@ export async function monitorSlackProvider(opts: MonitorSlackOpts = {}) {
    }

    if (shouldLogVerbose()) {
-      const preview = rawBody.replace(/\s+/g, " ").slice(0, 160);
      logVerbose(
        `slack inbound: channel=${message.channel} from=${ctxPayload.From} preview="${preview}"`,
      );
@@ -656,7 +648,6 @@ export async function monitorSlackProvider(opts: MonitorSlackOpts = {}) {
            target: replyTarget,
            token: botToken,
            runtime,
-            replyToMode,
            textLimit,
          });
        })
@@ -685,7 +676,6 @@ export async function monitorSlackProvider(opts: MonitorSlackOpts = {}) {
      target: replyTarget,
      token: botToken,
      runtime,
-      replyToMode,
      textLimit,
    });
    if (shouldLogVerbose()) {
@@ -1222,49 +1212,36 @@ async function deliverReplies(params: {
  target: string;
  token: string;
  runtime: RuntimeEnv;
-  replyToMode: ReplyToMode;
  textLimit: number;
 }) {
  const chunkLimit = Math.min(params.textLimit, 4000);
-  let hasReplied = false;
  for (const payload of params.replies) {
    const mediaList =
      payload.mediaUrls ?? (payload.mediaUrl ? [payload.mediaUrl] : []);
    const text = payload.text ?? "";
-    const replyToId = payload.replyToId;
    if (!text && mediaList.length === 0) continue;

    if (mediaList.length === 0) {
      for (const chunk of chunkText(text, chunkLimit)) {
-        const threadTs = resolveSlackReplyTarget({
-          replyToMode: params.replyToMode,
-          replyToId,
-          hasReplied,
-        });
+        const threadTs = undefined;
        const trimmed = chunk.trim();
        if (!trimmed || trimmed === SILENT_REPLY_TOKEN) continue;
        await sendMessageSlack(params.target, trimmed, {
          token: params.token,
          threadTs,
        });
-        if (threadTs && !hasReplied) hasReplied = true;
      }
    } else {
      let first = true;
      for (const mediaUrl of mediaList) {
        const caption = first ? text : "";
        first = false;
-        const threadTs = resolveSlackReplyTarget({
-          replyToMode: params.replyToMode,
-          replyToId,
-          hasReplied,
-        });
+        const threadTs = undefined;
        await sendMessageSlack(params.target, caption, {
          token: params.token,
          mediaUrl,
          threadTs,
        });
-        if (threadTs && !hasReplied) hasReplied = true;
      }
    }
    params.runtime.log?.(`delivered reply to ${params.target}`);
--- a/src/slack/probe.ts
+++ b/src/slack/probe.ts
@@ -0,0 +1,59 @@
+import { WebClient } from "@slack/web-api";
+
+export type SlackProbe = {
+  ok: boolean;
+  status?: number | null;
+  error?: string | null;
+  elapsedMs?: number | null;
+  bot?: { id?: string; name?: string };
+  team?: { id?: string; name?: string };
+};
+
+function withTimeout<T>(promise: Promise<T>, timeoutMs: number): Promise<T> {
+  if (!timeoutMs || timeoutMs <= 0) return promise;
+  let timer: NodeJS.Timeout | null = null;
+  const timeout = new Promise<T>((_, reject) => {
+    timer = setTimeout(() => reject(new Error("timeout")), timeoutMs);
+  });
+  return Promise.race([promise, timeout]).finally(() => {
+    if (timer) clearTimeout(timer);
+  });
+}
+
+export async function probeSlack(
+  token: string,
+  timeoutMs = 2500,
+): Promise<SlackProbe> {
+  const client = new WebClient(token);
+  const start = Date.now();
+  try {
+    const result = await withTimeout(client.auth.test(), timeoutMs);
+    if (!result.ok) {
+      return {
+        ok: false,
+        status: 200,
+        error: result.error ?? "unknown",
+        elapsedMs: Date.now() - start,
+      };
+    }
+    return {
+      ok: true,
+      status: 200,
+      elapsedMs: Date.now() - start,
+      bot: { id: result.user_id ?? undefined, name: result.user ?? undefined },
+      team: { id: result.team_id ?? undefined, name: result.team ?? undefined },
+    };
+  } catch (err) {
+    const message = err instanceof Error ? err.message : String(err);
+    const status =
+      typeof (err as { status?: number }).status === "number"
+        ? (err as { status?: number }).status
+        : null;
+    return {
+      ok: false,
+      status,
+      error: message,
+      elapsedMs: Date.now() - start,
+    };
+  }
+}
--- a/src/slack/send.ts
+++ b/src/slack/send.ts
@@ -0,0 +1,187 @@
+import { type FilesUploadV2Arguments, WebClient } from "@slack/web-api";
+
+import { chunkText, resolveTextChunkLimit } from "../auto-reply/chunk.js";
+import { loadConfig } from "../config/config.js";
+import { loadWebMedia } from "../web/media.js";
+import { resolveSlackBotToken } from "./token.js";
+
+const SLACK_TEXT_LIMIT = 4000;
+
+type SlackRecipient =
+  | {
+      kind: "user";
+      id: string;
+    }
+  | {
+      kind: "channel";
+      id: string;
+    };
+
+type SlackSendOpts = {
+  token?: string;
+  mediaUrl?: string;
+  client?: WebClient;
+  threadTs?: string;
+};
+
+export type SlackSendResult = {
+  messageId: string;
+  channelId: string;
+};
+
+function resolveToken(explicit?: string) {
+  const cfgToken = loadConfig().slack?.botToken;
+  const token = resolveSlackBotToken(
+    explicit ?? process.env.SLACK_BOT_TOKEN ?? cfgToken ?? undefined,
+  );
+  if (!token) {
+    throw new Error(
+      "SLACK_BOT_TOKEN or slack.botToken is required for Slack sends",
+    );
+  }
+  return token;
+}
+
+function parseRecipient(raw: string): SlackRecipient {
+  const trimmed = raw.trim();
+  if (!trimmed) {
+    throw new Error("Recipient is required for Slack sends");
+  }
+  const mentionMatch = trimmed.match(/^<@([A-Z0-9]+)>$/i);
+  if (mentionMatch) {
+    return { kind: "user", id: mentionMatch[1] };
+  }
+  if (trimmed.startsWith("user:")) {
+    return { kind: "user", id: trimmed.slice("user:".length) };
+  }
+  if (trimmed.startsWith("channel:")) {
+    return { kind: "channel", id: trimmed.slice("channel:".length) };
+  }
+  if (trimmed.startsWith("slack:")) {
+    return { kind: "user", id: trimmed.slice("slack:".length) };
+  }
+  if (trimmed.startsWith("@")) {
+    const candidate = trimmed.slice(1);
+    if (!/^[A-Z0-9]+$/i.test(candidate)) {
+      throw new Error("Slack DMs require a user id (use user:<id> or <@id>)");
+    }
+    return { kind: "user", id: candidate };
+  }
+  if (trimmed.startsWith("#")) {
+    const candidate = trimmed.slice(1);
+    if (!/^[A-Z0-9]+$/i.test(candidate)) {
+      throw new Error("Slack channels require a channel id (use channel:<id>)");
+    }
+    return { kind: "channel", id: candidate };
+  }
+  return { kind: "channel", id: trimmed };
+}
+
+async function resolveChannelId(
+  client: WebClient,
+  recipient: SlackRecipient,
+): Promise<{ channelId: string; isDm?: boolean }> {
+  if (recipient.kind === "channel") {
+    return { channelId: recipient.id };
+  }
+  const response = await client.conversations.open({ users: recipient.id });
+  const channelId = response.channel?.id;
+  if (!channelId) {
+    throw new Error("Failed to open Slack DM channel");
+  }
+  return { channelId, isDm: true };
+}
+
+async function uploadSlackFile(params: {
+  client: WebClient;
+  channelId: string;
+  mediaUrl: string;
+  caption?: string;
+  threadTs?: string;
+  maxBytes?: number;
+}): Promise<string> {
+  const { buffer, contentType, fileName } = await loadWebMedia(
+    params.mediaUrl,
+    params.maxBytes,
+  );
+  const basePayload = {
+    channel_id: params.channelId,
+    file: buffer,
+    filename: fileName,
+    ...(params.caption ? { initial_comment: params.caption } : {}),
+    ...(contentType ? { filetype: contentType } : {}),
+  };
+  const payload: FilesUploadV2Arguments = params.threadTs
+    ? { ...basePayload, thread_ts: params.threadTs }
+    : basePayload;
+  const response = await params.client.files.uploadV2(payload);
+  const parsed = response as {
+    files?: Array<{ id?: string; name?: string }>;
+    file?: { id?: string; name?: string };
+  };
+  const fileId =
+    parsed.files?.[0]?.id ??
+    parsed.file?.id ??
+    parsed.files?.[0]?.name ??
+    parsed.file?.name ??
+    "unknown";
+  return fileId;
+}
+
+export async function sendMessageSlack(
+  to: string,
+  message: string,
+  opts: SlackSendOpts = {},
+): Promise<SlackSendResult> {
+  const trimmedMessage = message?.trim() ?? "";
+  if (!trimmedMessage && !opts.mediaUrl) {
+    throw new Error("Slack send requires text or media");
+  }
+  const token = resolveToken(opts.token);
+  const client = opts.client ?? new WebClient(token);
+  const recipient = parseRecipient(to);
+  const { channelId } = await resolveChannelId(client, recipient);
+  const cfg = loadConfig();
+  const textLimit = resolveTextChunkLimit(cfg, "slack");
+  const chunkLimit = Math.min(textLimit, SLACK_TEXT_LIMIT);
+  const chunks = chunkText(trimmedMessage, chunkLimit);
+  const mediaMaxBytes =
+    typeof cfg.slack?.mediaMaxMb === "number"
+      ? cfg.slack.mediaMaxMb * 1024 * 1024
+      : undefined;
+
+  let lastMessageId = "";
+  if (opts.mediaUrl) {
+    const [firstChunk, ...rest] = chunks;
+    lastMessageId = await uploadSlackFile({
+      client,
+      channelId,
+      mediaUrl: opts.mediaUrl,
+      caption: firstChunk,
+      threadTs: opts.threadTs,
+      maxBytes: mediaMaxBytes,
+    });
+    for (const chunk of rest) {
+      const response = await client.chat.postMessage({
+        channel: channelId,
+        text: chunk,
+        thread_ts: opts.threadTs,
+      });
+      lastMessageId = response.ts ?? lastMessageId;
+    }
+  } else {
+    for (const chunk of chunks.length ? chunks : [""]) {
+      const response = await client.chat.postMessage({
+        channel: channelId,
+        text: chunk,
+        thread_ts: opts.threadTs,
+      });
+      lastMessageId = response.ts ?? lastMessageId;
+    }
+  }
+
+  return {
+    messageId: lastMessageId || "unknown",
+    channelId,
+  };
+}
--- a/src/slack/token.ts
+++ b/src/slack/token.ts
@@ -0,0 +1,12 @@
+export function normalizeSlackToken(raw?: string): string | undefined {
+  const trimmed = raw?.trim();
+  return trimmed ? trimmed : undefined;
+}
+
+export function resolveSlackBotToken(raw?: string): string | undefined {
+  return normalizeSlackToken(raw);
+}
+
+export function resolveSlackAppToken(raw?: string): string | undefined {
+  return normalizeSlackToken(raw);
+}
--- a/ui/src/ui/app-render.ts
+++ b/ui/src/ui/app-render.ts
@@ -27,6 +27,7 @@ import type {
  CronFormState,
  DiscordForm,
  IMessageForm,
+  SlackForm,
  SignalForm,
  TelegramForm,
 } from "./ui-types";
@@ -44,6 +45,7 @@ import {
  loadProviders,
  updateDiscordForm,
  updateIMessageForm,
+  updateSlackForm,
  updateSignalForm,
  updateTelegramForm,
 } from "./controllers/connections";
@@ -117,6 +119,11 @@ export type AppViewState = {
  discordSaving: boolean;
  discordTokenLocked: boolean;
  discordConfigStatus: string | null;
+  slackForm: SlackForm;
+  slackSaving: boolean;
+  slackTokenLocked: boolean;
+  slackAppTokenLocked: boolean;
+  slackConfigStatus: string | null;
  signalForm: SignalForm;
  signalSaving: boolean;
  signalConfigStatus: string | null;
@@ -269,6 +276,11 @@ export function renderApp(state: AppViewState) {
              discordTokenLocked: state.discordTokenLocked,
              discordSaving: state.discordSaving,
              discordStatus: state.discordConfigStatus,
+              slackForm: state.slackForm,
+              slackTokenLocked: state.slackTokenLocked,
+              slackAppTokenLocked: state.slackAppTokenLocked,
+              slackSaving: state.slackSaving,
+              slackStatus: state.slackConfigStatus,
              signalForm: state.signalForm,
              signalSaving: state.signalSaving,
              signalStatus: state.signalConfigStatus,
@@ -283,6 +295,8 @@ export function renderApp(state: AppViewState) {
              onTelegramSave: () => state.handleTelegramSave(),
              onDiscordChange: (patch) => updateDiscordForm(state, patch),
              onDiscordSave: () => state.handleDiscordSave(),
+              onSlackChange: (patch) => updateSlackForm(state, patch),
+              onSlackSave: () => state.handleSlackSave(),
              onSignalChange: (patch) => updateSignalForm(state, patch),
              onSignalSave: () => state.handleSignalSave(),
              onIMessageChange: (patch) => updateIMessageForm(state, patch),
--- a/ui/src/ui/app.ts
+++ b/ui/src/ui/app.ts
@@ -36,9 +36,11 @@ import type {
 } from "./types";
 import {
  defaultDiscordActions,
+  defaultSlackActions,
  type CronFormState,
  type DiscordForm,
  type IMessageForm,
+  type SlackForm,
  type SignalForm,
  type TelegramForm,
 } from "./ui-types";
@@ -59,6 +61,7 @@ import {
  logoutWhatsApp,
  saveDiscordConfig,
  saveIMessageConfig,
+  saveSlackConfig,
  saveSignalConfig,
  saveTelegramConfig,
  startWhatsAppLogin,
@@ -233,7 +236,6 @@ export class ClawdisApp extends LitElement {
    mediaMaxMb: "",
    historyLimit: "",
    textChunkLimit: "",
-    replyToMode: "off",
    guilds: [],
    actions: { ...defaultDiscordActions },
    slashEnabled: false,
@@ -244,6 +246,29 @@ export class ClawdisApp extends LitElement {
  @state() discordSaving = false;
  @state() discordTokenLocked = false;
  @state() discordConfigStatus: string | null = null;
+  @state() slackForm: SlackForm = {
+    enabled: true,
+    botToken: "",
+    appToken: "",
+    dmEnabled: true,
+    allowFrom: "",
+    groupEnabled: false,
+    groupChannels: "",
+    mediaMaxMb: "",
+    textChunkLimit: "",
+    reactionNotifications: "own",
+    reactionAllowlist: "",
+    slashEnabled: false,
+    slashName: "",
+    slashSessionPrefix: "",
+    slashEphemeral: true,
+    actions: { ...defaultSlackActions },
+    channels: [],
+  };
+  @state() slackSaving = false;
+  @state() slackTokenLocked = false;
+  @state() slackAppTokenLocked = false;
+  @state() slackConfigStatus: string | null = null;
  @state() signalForm: SignalForm = {
    enabled: true,
    account: "",
@@ -774,6 +799,12 @@ export class ClawdisApp extends LitElement {
    await loadProviders(this, true);
  }

+  async handleSlackSave() {
+    await saveSlackConfig(this);
+    await loadConfig(this);
+    await loadProviders(this, true);
+  }
+
  async handleSignalSave() {
    await saveSignalConfig(this);
    await loadConfig(this);
--- a/ui/src/ui/controllers/config.ts
+++ b/ui/src/ui/controllers/config.ts
@@ -6,11 +6,14 @@ import type {
 } from "../types";
 import {
  defaultDiscordActions,
+  defaultSlackActions,
  type DiscordActionForm,
  type DiscordForm,
  type DiscordGuildChannelForm,
  type DiscordGuildForm,
  type IMessageForm,
+  type SlackChannelForm,
+  type SlackForm,
  type SignalForm,
  type TelegramForm,
 } from "../ui-types";
@@ -34,10 +37,12 @@ export type ConfigState = {
  lastError: string | null;
  telegramForm: TelegramForm;
  discordForm: DiscordForm;
+  slackForm: SlackForm;
  signalForm: SignalForm;
  imessageForm: IMessageForm;
  telegramConfigStatus: string | null;
  discordConfigStatus: string | null;
+  slackConfigStatus: string | null;
  signalConfigStatus: string | null;
  imessageConfigStatus: string | null;
 };
@@ -255,10 +260,6 @@ export function applyConfigSnapshot(state: ConfigState, snapshot: ConfigSnapshot
      typeof slack.textChunkLimit === "number"
        ? String(slack.textChunkLimit)
        : "",
-    replyToMode:
-      slack.replyToMode === "first" || slack.replyToMode === "all"
-        ? slack.replyToMode
-        : "off",
    reactionNotifications:
      slack.reactionNotifications === "off" ||
      slack.reactionNotifications === "all" ||
@@ -492,4 +493,3 @@ function removePathValue(
    delete (current as Record<string, unknown>)[lastKey];
  }
 }
-
--- a/ui/src/ui/controllers/connections.ts
+++ b/ui/src/ui/controllers/connections.ts
@@ -3,11 +3,14 @@ import { parseList } from "../format";
 import type { ConfigSnapshot, ProvidersStatusSnapshot } from "../types";
 import {
  defaultDiscordActions,
+  defaultSlackActions,
  type DiscordActionForm,
  type DiscordForm,
  type DiscordGuildChannelForm,
  type DiscordGuildForm,
  type IMessageForm,
+  type SlackActionForm,
+  type SlackForm,
  type SignalForm,
  type TelegramForm,
 } from "../ui-types";
@@ -31,6 +34,11 @@ export type ConnectionsState = {
  discordSaving: boolean;
  discordTokenLocked: boolean;
  discordConfigStatus: string | null;
+  slackForm: SlackForm;
+  slackSaving: boolean;
+  slackTokenLocked: boolean;
+  slackAppTokenLocked: boolean;
+  slackConfigStatus: string | null;
  signalForm: SignalForm;
  signalSaving: boolean;
  signalConfigStatus: string | null;
@@ -54,6 +62,8 @@ export async function loadProviders(state: ConnectionsState, probe: boolean) {
    state.providersLastSuccess = Date.now();
    state.telegramTokenLocked = res.telegram.tokenSource === "env";
    state.discordTokenLocked = res.discord?.tokenSource === "env";
+    state.slackTokenLocked = res.slack?.botTokenSource === "env";
+    state.slackAppTokenLocked = res.slack?.appTokenSource === "env";
  } catch (err) {
    state.providersError = String(err);
  } finally {
@@ -136,6 +146,21 @@ export function updateDiscordForm(
  state.discordForm = { ...state.discordForm, ...patch };
 }

+export function updateSlackForm(
+  state: ConnectionsState,
+  patch: Partial<SlackForm>,
+) {
+  if (patch.actions) {
+    state.slackForm = {
+      ...state.slackForm,
+      ...patch,
+      actions: { ...state.slackForm.actions, ...patch.actions },
+    };
+    return;
+  }
+  state.slackForm = { ...state.slackForm, ...patch };
+}
+
 export function updateSignalForm(
  state: ConnectionsState,
  patch: Partial<SignalForm>,
@@ -437,9 +462,6 @@ export async function saveSlackConfig(state: ConnectionsState) {
      delete slack.textChunkLimit;
    }

-    if (form.replyToMode === "off") delete slack.replyToMode;
-    else slack.replyToMode = form.replyToMode;
-
    if (form.reactionNotifications === "own") {
      delete slack.reactionNotifications;
    } else {
@@ -670,4 +692,3 @@ export async function saveIMessageConfig(state: ConnectionsState) {
    state.imessageSaving = false;
  }
 }
-
--- a/ui/src/ui/types.ts
+++ b/ui/src/ui/types.ts
@@ -3,6 +3,7 @@ export type ProvidersStatusSnapshot = {
  whatsapp: WhatsAppStatus;
  telegram: TelegramStatus;
  discord?: DiscordStatus | null;
+  slack?: SlackStatus | null;
  signal?: SignalStatus | null;
  imessage?: IMessageStatus | null;
 };
@@ -89,6 +90,37 @@ export type DiscordStatus = {
  lastProbeAt?: number | null;
 };

+export type SlackBot = {
+  id?: string | null;
+  name?: string | null;
+};
+
+export type SlackTeam = {
+  id?: string | null;
+  name?: string | null;
+};
+
+export type SlackProbe = {
+  ok: boolean;
+  status?: number | null;
+  error?: string | null;
+  elapsedMs?: number | null;
+  bot?: SlackBot | null;
+  team?: SlackTeam | null;
+};
+
+export type SlackStatus = {
+  configured: boolean;
+  botTokenSource?: string | null;
+  appTokenSource?: string | null;
+  running: boolean;
+  lastStartAt?: number | null;
+  lastStopAt?: number | null;
+  lastError?: string | null;
+  probe?: SlackProbe | null;
+  lastProbeAt?: number | null;
+};
+
 export type SignalProbe = {
  ok: boolean;
  status?: number | null;
--- a/ui/src/ui/ui-types.ts
+++ b/ui/src/ui/ui-types.ts
@@ -84,7 +84,6 @@ export type SlackForm = {
  groupChannels: string;
  mediaMaxMb: string;
  textChunkLimit: string;
-  replyToMode: "off" | "first" | "all";
  reactionNotifications: "off" | "own" | "all" | "allowlist";
  reactionAllowlist: string;
  slashEnabled: boolean;
@@ -168,4 +167,3 @@ export type CronFormState = {
  timeoutSeconds: string;
  postToMainPrefix: string;
 };
-
--- a/ui/src/ui/views/connections.ts
+++ b/ui/src/ui/views/connections.ts
@@ -6,6 +6,8 @@ import type {
  DiscordActionForm,
  DiscordForm,
  IMessageForm,
+  SlackActionForm,
+  SlackForm,
  SignalForm,
  TelegramForm,
 } from "../ui-types";
@@ -54,6 +56,11 @@ export type ConnectionsProps = {
  discordTokenLocked: boolean;
  discordSaving: boolean;
  discordStatus: string | null;
+  slackForm: SlackForm;
+  slackTokenLocked: boolean;
+  slackAppTokenLocked: boolean;
+  slackSaving: boolean;
+  slackStatus: string | null;
  signalForm: SignalForm;
  signalSaving: boolean;
  signalStatus: string | null;
@@ -68,6 +75,8 @@ export type ConnectionsProps = {
  onTelegramSave: () => void;
  onDiscordChange: (patch: Partial<DiscordForm>) => void;
  onDiscordSave: () => void;
+  onSlackChange: (patch: Partial<SlackForm>) => void;
+  onSlackSave: () => void;
  onSignalChange: (patch: Partial<SignalForm>) => void;
  onSignalSave: () => void;
  onIMessageChange: (patch: Partial<IMessageForm>) => void;
@@ -78,12 +87,14 @@ export function renderConnections(props: ConnectionsProps) {
  const whatsapp = props.snapshot?.whatsapp;
  const telegram = props.snapshot?.telegram;
  const discord = props.snapshot?.discord ?? null;
+  const slack = props.snapshot?.slack ?? null;
  const signal = props.snapshot?.signal ?? null;
  const imessage = props.snapshot?.imessage ?? null;
  const providerOrder: ProviderKey[] = [
    "whatsapp",
    "telegram",
    "discord",
+    "slack",
    "signal",
    "imessage",
  ];
@@ -101,7 +112,14 @@ export function renderConnections(props: ConnectionsProps) {
  return html`
    <section class="grid grid-cols-2">
      ${orderedProviders.map((provider) =>
-        renderProvider(provider.key, props, { whatsapp, telegram, discord, signal, imessage }),
+        renderProvider(provider.key, props, {
+          whatsapp,
+          telegram,
+          discord,
+          slack,
+          signal,
+          imessage,
+        }),
      )}
    </section>

@@ -135,7 +153,13 @@ function formatDuration(ms?: number | null) {
  return `${hr}h`;
 }

-type ProviderKey = "whatsapp" | "telegram" | "discord" | "signal" | "imessage";
+type ProviderKey =
+  | "whatsapp"
+  | "telegram"
+  | "discord"
+  | "slack"
+  | "signal"
+  | "imessage";

 function providerEnabled(key: ProviderKey, props: ConnectionsProps) {
  const snapshot = props.snapshot;
@@ -151,6 +175,8 @@ function providerEnabled(key: ProviderKey, props: ConnectionsProps) {
      return snapshot.telegram.configured || snapshot.telegram.running;
    case "discord":
      return Boolean(snapshot.discord?.configured || snapshot.discord?.running);
+    case "slack":
+      return Boolean(snapshot.slack?.configured || snapshot.slack?.running);
    case "signal":
      return Boolean(snapshot.signal?.configured || snapshot.signal?.running);
    case "imessage":
@@ -167,6 +193,7 @@ function renderProvider(
    whatsapp?: ProvidersStatusSnapshot["whatsapp"];
    telegram?: ProvidersStatusSnapshot["telegram"];
    discord?: ProvidersStatusSnapshot["discord"] | null;
+    slack?: ProvidersStatusSnapshot["slack"] | null;
    signal?: ProvidersStatusSnapshot["signal"] | null;
    imessage?: ProvidersStatusSnapshot["imessage"] | null;
  },
@@ -949,6 +976,389 @@ function renderProvider(
        </div>
      `;
    }
+    case "slack": {
+      const slack = data.slack;
+      const botName = slack?.probe?.bot?.name;
+      const teamName = slack?.probe?.team?.name;
+      return html`
+        <div class="card">
+          <div class="card-title">Slack</div>
+          <div class="card-sub">Socket mode status and bot details.</div>
+
+          <div class="status-list" style="margin-top: 16px;">
+            <div>
+              <span class="label">Configured</span>
+              <span>${slack?.configured ? "Yes" : "No"}</span>
+            </div>
+            <div>
+              <span class="label">Running</span>
+              <span>${slack?.running ? "Yes" : "No"}</span>
+            </div>
+            <div>
+              <span class="label">Bot</span>
+              <span>${botName ? botName : "n/a"}</span>
+            </div>
+            <div>
+              <span class="label">Team</span>
+              <span>${teamName ? teamName : "n/a"}</span>
+            </div>
+            <div>
+              <span class="label">Last start</span>
+              <span>${slack?.lastStartAt ? formatAgo(slack.lastStartAt) : "n/a"}</span>
+            </div>
+            <div>
+              <span class="label">Last probe</span>
+              <span>${slack?.lastProbeAt ? formatAgo(slack.lastProbeAt) : "n/a"}</span>
+            </div>
+          </div>
+
+          ${slack?.lastError
+            ? html`<div class="callout danger" style="margin-top: 12px;">
+                ${slack.lastError}
+              </div>`
+            : nothing}
+
+          ${slack?.probe
+            ? html`<div class="callout" style="margin-top: 12px;">
+                Probe ${slack.probe.ok ? "ok" : "failed"} ·
+                ${slack.probe.status ?? ""}
+                ${slack.probe.error ?? ""}
+              </div>`
+            : nothing}
+
+          <div class="form-grid" style="margin-top: 16px;">
+            <label class="field">
+              <span>Enabled</span>
+              <select
+                .value=${props.slackForm.enabled ? "yes" : "no"}
+                @change=${(e: Event) =>
+                  props.onSlackChange({
+                    enabled: (e.target as HTMLSelectElement).value === "yes",
+                  })}
+              >
+                <option value="yes">Yes</option>
+                <option value="no">No</option>
+              </select>
+            </label>
+            <label class="field">
+              <span>Bot token</span>
+              <input
+                type="password"
+                .value=${props.slackForm.botToken}
+                ?disabled=${props.slackTokenLocked}
+                @input=${(e: Event) =>
+                  props.onSlackChange({
+                    botToken: (e.target as HTMLInputElement).value,
+                  })}
+              />
+            </label>
+            <label class="field">
+              <span>App token</span>
+              <input
+                type="password"
+                .value=${props.slackForm.appToken}
+                ?disabled=${props.slackAppTokenLocked}
+                @input=${(e: Event) =>
+                  props.onSlackChange({
+                    appToken: (e.target as HTMLInputElement).value,
+                  })}
+              />
+            </label>
+            <label class="field">
+              <span>DMs enabled</span>
+              <select
+                .value=${props.slackForm.dmEnabled ? "yes" : "no"}
+                @change=${(e: Event) =>
+                  props.onSlackChange({
+                    dmEnabled: (e.target as HTMLSelectElement).value === "yes",
+                  })}
+              >
+                <option value="yes">Enabled</option>
+                <option value="no">Disabled</option>
+              </select>
+            </label>
+            <label class="field">
+              <span>Allow DMs from</span>
+              <input
+                .value=${props.slackForm.allowFrom}
+                @input=${(e: Event) =>
+                  props.onSlackChange({
+                    allowFrom: (e.target as HTMLInputElement).value,
+                  })}
+                placeholder="U123, U456, *"
+              />
+            </label>
+            <label class="field">
+              <span>Group DMs enabled</span>
+              <select
+                .value=${props.slackForm.groupEnabled ? "yes" : "no"}
+                @change=${(e: Event) =>
+                  props.onSlackChange({
+                    groupEnabled: (e.target as HTMLSelectElement).value === "yes",
+                  })}
+              >
+                <option value="yes">Enabled</option>
+                <option value="no">Disabled</option>
+              </select>
+            </label>
+            <label class="field">
+              <span>Group DM channels</span>
+              <input
+                .value=${props.slackForm.groupChannels}
+                @input=${(e: Event) =>
+                  props.onSlackChange({
+                    groupChannels: (e.target as HTMLInputElement).value,
+                  })}
+                placeholder="G123, #team"
+              />
+            </label>
+            <label class="field">
+              <span>Reaction notifications</span>
+              <select
+                .value=${props.slackForm.reactionNotifications}
+                @change=${(e: Event) =>
+                  props.onSlackChange({
+                    reactionNotifications: (e.target as HTMLSelectElement)
+                      .value as "off" | "own" | "all" | "allowlist",
+                  })}
+              >
+                <option value="off">Off</option>
+                <option value="own">Own</option>
+                <option value="all">All</option>
+                <option value="allowlist">Allowlist</option>
+              </select>
+            </label>
+            <label class="field">
+              <span>Reaction allowlist</span>
+              <input
+                .value=${props.slackForm.reactionAllowlist}
+                @input=${(e: Event) =>
+                  props.onSlackChange({
+                    reactionAllowlist: (e.target as HTMLInputElement).value,
+                  })}
+                placeholder="U123, U456"
+              />
+            </label>
+            <label class="field">
+              <span>Text chunk limit</span>
+              <input
+                .value=${props.slackForm.textChunkLimit}
+                @input=${(e: Event) =>
+                  props.onSlackChange({
+                    textChunkLimit: (e.target as HTMLInputElement).value,
+                  })}
+                placeholder="4000"
+              />
+            </label>
+            <label class="field">
+              <span>Media max (MB)</span>
+              <input
+                .value=${props.slackForm.mediaMaxMb}
+                @input=${(e: Event) =>
+                  props.onSlackChange({
+                    mediaMaxMb: (e.target as HTMLInputElement).value,
+                  })}
+                placeholder="20"
+              />
+            </label>
+          </div>
+
+          <div class="card-sub" style="margin-top: 16px;">Slash command</div>
+          <div class="form-grid" style="margin-top: 8px;">
+            <label class="field">
+              <span>Slash enabled</span>
+              <select
+                .value=${props.slackForm.slashEnabled ? "yes" : "no"}
+                @change=${(e: Event) =>
+                  props.onSlackChange({
+                    slashEnabled: (e.target as HTMLSelectElement).value === "yes",
+                  })}
+              >
+                <option value="yes">Enabled</option>
+                <option value="no">Disabled</option>
+              </select>
+            </label>
+            <label class="field">
+              <span>Slash name</span>
+              <input
+                .value=${props.slackForm.slashName}
+                @input=${(e: Event) =>
+                  props.onSlackChange({
+                    slashName: (e.target as HTMLInputElement).value,
+                  })}
+                placeholder="clawd"
+              />
+            </label>
+            <label class="field">
+              <span>Slash session prefix</span>
+              <input
+                .value=${props.slackForm.slashSessionPrefix}
+                @input=${(e: Event) =>
+                  props.onSlackChange({
+                    slashSessionPrefix: (e.target as HTMLInputElement).value,
+                  })}
+                placeholder="slack:slash"
+              />
+            </label>
+            <label class="field">
+              <span>Slash ephemeral</span>
+              <select
+                .value=${props.slackForm.slashEphemeral ? "yes" : "no"}
+                @change=${(e: Event) =>
+                  props.onSlackChange({
+                    slashEphemeral: (e.target as HTMLSelectElement).value === "yes",
+                  })}
+              >
+                <option value="yes">Yes</option>
+                <option value="no">No</option>
+              </select>
+            </label>
+          </div>
+
+          <div class="card-sub" style="margin-top: 16px;">Channels</div>
+          <div class="card-sub">
+            Add channel ids or #names and optionally require mentions.
+          </div>
+          <div class="list">
+            ${props.slackForm.channels.map(
+              (channel, channelIndex) => html`
+                <div class="list-item">
+                  <div class="list-main">
+                    <div class="form-grid">
+                      <label class="field">
+                        <span>Channel id / name</span>
+                        <input
+                          .value=${channel.key}
+                          @input=${(e: Event) => {
+                            const next = [...props.slackForm.channels];
+                            next[channelIndex] = {
+                              ...next[channelIndex],
+                              key: (e.target as HTMLInputElement).value,
+                            };
+                            props.onSlackChange({ channels: next });
+                          }}
+                        />
+                      </label>
+                      <label class="field">
+                        <span>Allow</span>
+                        <select
+                          .value=${channel.allow ? "yes" : "no"}
+                          @change=${(e: Event) => {
+                            const next = [...props.slackForm.channels];
+                            next[channelIndex] = {
+                              ...next[channelIndex],
+                              allow:
+                                (e.target as HTMLSelectElement).value === "yes",
+                            };
+                            props.onSlackChange({ channels: next });
+                          }}
+                        >
+                          <option value="yes">Yes</option>
+                          <option value="no">No</option>
+                        </select>
+                      </label>
+                      <label class="field">
+                        <span>Require mention</span>
+                        <select
+                          .value=${channel.requireMention ? "yes" : "no"}
+                          @change=${(e: Event) => {
+                            const next = [...props.slackForm.channels];
+                            next[channelIndex] = {
+                              ...next[channelIndex],
+                              requireMention:
+                                (e.target as HTMLSelectElement).value === "yes",
+                            };
+                            props.onSlackChange({ channels: next });
+                          }}
+                        >
+                          <option value="yes">Yes</option>
+                          <option value="no">No</option>
+                        </select>
+                      </label>
+                      <label class="field">
+                        <span>&nbsp;</span>
+                        <button
+                          class="btn"
+                          @click=${() => {
+                            const next = [...props.slackForm.channels];
+                            next.splice(channelIndex, 1);
+                            props.onSlackChange({ channels: next });
+                          }}
+                        >
+                          Remove
+                        </button>
+                      </label>
+                    </div>
+                  </div>
+                </div>
+              `,
+            )}
+          </div>
+          <button
+            class="btn"
+            style="margin-top: 8px;"
+            @click=${() =>
+              props.onSlackChange({
+                channels: [
+                  ...props.slackForm.channels,
+                  { key: "", allow: true, requireMention: false },
+                ],
+              })}
+          >
+            Add channel
+          </button>
+
+          <div class="card-sub" style="margin-top: 16px;">Tool actions</div>
+          <div class="form-grid" style="margin-top: 8px;">
+            ${slackActionOptions.map(
+              (action) => html`<label class="field">
+                <span>${action.label}</span>
+                <select
+                  .value=${props.slackForm.actions[action.key] ? "yes" : "no"}
+                  @change=${(e: Event) =>
+                    props.onSlackChange({
+                      actions: {
+                        ...props.slackForm.actions,
+                        [action.key]: (e.target as HTMLSelectElement).value === "yes",
+                      },
+                    })}
+                >
+                  <option value="yes">Enabled</option>
+                  <option value="no">Disabled</option>
+                </select>
+              </label>`,
+            )}
+          </div>
+
+          ${props.slackTokenLocked || props.slackAppTokenLocked
+            ? html`<div class="callout" style="margin-top: 12px;">
+                ${props.slackTokenLocked ? "SLACK_BOT_TOKEN " : ""}
+                ${props.slackAppTokenLocked ? "SLACK_APP_TOKEN " : ""}
+                is set in the environment. Config edits will not override it.
+              </div>`
+            : nothing}
+
+          ${props.slackStatus
+            ? html`<div class="callout" style="margin-top: 12px;">
+                ${props.slackStatus}
+              </div>`
+            : nothing}
+
+          <div class="row" style="margin-top: 14px;">
+            <button
+              class="btn primary"
+              ?disabled=${props.slackSaving}
+              @click=${() => props.onSlackSave()}
+            >
+              ${props.slackSaving ? "Saving…" : "Save"}
+            </button>
+            <button class="btn" @click=${() => props.onRefresh(true)}>
+              Probe
+            </button>
+          </div>
+        </div>
+      `;
+    }
    case "signal": {
      const signal = data.signal;
      return html`
@@ -1355,4 +1765,3 @@ function renderProvider(
      return nothing;
  }
 }
-