diff --git a/src/agents/tools/cron-tool.ts b/src/agents/tools/cron-tool.ts
index e8995a0b9..e640a8d94 100644
--- a/src/agents/tools/cron-tool.ts
+++ b/src/agents/tools/cron-tool.ts
@@ -5,6 +5,7 @@ import { truncateUtf16Safe } from "../../utils.js";
 import { optionalStringEnum, stringEnum } from "../schema/typebox.js";
 import { type AnyAgentTool, jsonResult, readStringParam } from "./common.js";
 import { callGatewayTool, type GatewayCallOptions } from "./gateway.js";
+import { resolveSessionAgentId } from "../agent-scope.js";
 import { resolveInternalSessionKey, resolveMainSessionAlias } from "./sessions-helpers.js";
 
 // NOTE: We use Type.Object({}, { additionalProperties: true }) for job/patch
@@ -158,6 +159,15 @@ export function createCronTool(opts?: CronToolOptions): AnyAgentTool {
             throw new Error("job required");
           }
           const job = normalizeCronJobCreate(params.job) ?? params.job;
+          if (job && typeof job === "object") {
+            const cfg = loadConfig();
+            const agentId = opts?.agentSessionKey
+              ? resolveSessionAgentId({ sessionKey: opts.agentSessionKey, config: cfg })
+              : undefined;
+            if (agentId && !(job as { agentId?: unknown }).agentId) {
+              (job as { agentId?: string }).agentId = agentId;
+            }
+          }
           const contextMessages =
             typeof params.contextMessages === "number" && Number.isFinite(params.contextMessages)
               ? params.contextMessages
diff --git a/src/agents/tools/discord-actions-messaging.ts b/src/agents/tools/discord-actions-messaging.ts
index f552f17fd..ae49d25bf 100644
--- a/src/agents/tools/discord-actions-messaging.ts
+++ b/src/agents/tools/discord-actions-messaging.ts
@@ -114,7 +114,8 @@ export async function handleDiscordMessagingAction(
         required: true,
         label: "stickerIds",
       });
-      await sendStickerDiscord(to, stickerIds, { content });
+      const accountId = readStringParam(params, "accountId");
+      await sendStickerDiscord(to, stickerIds, { content, accountId: accountId ?? undefined });
       return jsonResult({ ok: true });
     }
     case "poll": {
@@ -137,10 +138,11 @@ export async function handleDiscordMessagingAction(
       const durationHours =
         typeof durationRaw === "number" && Number.isFinite(durationRaw) ? durationRaw : undefined;
       const maxSelections = allowMultiselect ? Math.max(2, answers.length) : 1;
+      const accountId = readStringParam(params, "accountId");
       await sendPollDiscord(
         to,
         { question, options: answers, maxSelections, durationHours },
-        { content },
+        { content, accountId: accountId ?? undefined },
       );
       return jsonResult({ ok: true });
     }
@@ -211,7 +213,10 @@ export async function handleDiscordMessagingAction(
       const replyTo = readStringParam(params, "replyTo");
       const embeds =
         Array.isArray(params.embeds) && params.embeds.length > 0 ? params.embeds : undefined;
+      const accountId = readStringParam(params, "accountId");
+
       const result = await sendMessageDiscord(to, content, {
+        accountId: accountId ?? undefined,
         mediaUrl,
         replyTo,
         embeds,
@@ -298,7 +303,9 @@ export async function handleDiscordMessagingAction(
       });
       const mediaUrl = readStringParam(params, "mediaUrl");
       const replyTo = readStringParam(params, "replyTo");
+      const accountId = readStringParam(params, "accountId");
       const result = await sendMessageDiscord(`channel:${channelId}`, content, {
+        accountId: accountId ?? undefined,
         mediaUrl,
         replyTo,
       });
diff --git a/src/agents/tools/message-tool.ts b/src/agents/tools/message-tool.ts
index 4ab3c7e18..21974f074 100644
--- a/src/agents/tools/message-tool.ts
+++ b/src/agents/tools/message-tool.ts
@@ -342,6 +342,9 @@ export function createMessageTool(options?: MessageToolOptions): AnyAgentTool {
       }) as ChannelMessageActionName;
 
       const accountId = readStringParam(params, "accountId") ?? agentAccountId;
+      if (accountId) {
+        params.accountId = accountId;
+      }
 
       const gateway = {
         url: readStringParam(params, "gatewayUrl", { trim: false }),
diff --git a/src/channels/plugins/actions/discord.test.ts b/src/channels/plugins/actions/discord.test.ts
index d68aba74b..8deda7dc6 100644
--- a/src/channels/plugins/actions/discord.test.ts
+++ b/src/channels/plugins/actions/discord.test.ts
@@ -1,11 +1,41 @@
-import { describe, expect, it } from "vitest";
+import { describe, expect, it, vi } from "vitest";
 
 import type { ClawdbotConfig } from "../../../config/config.js";
-import { discordMessageActions } from "./discord.js";
+type SendMessageDiscord = typeof import("../../../discord/send.js").sendMessageDiscord;
+type SendPollDiscord = typeof import("../../../discord/send.js").sendPollDiscord;
+
+const sendMessageDiscord = vi.fn<Parameters<SendMessageDiscord>, ReturnType<SendMessageDiscord>>(
+  async () => ({ ok: true }) as Awaited<ReturnType<SendMessageDiscord>>,
+);
+const sendPollDiscord = vi.fn<Parameters<SendPollDiscord>, ReturnType<SendPollDiscord>>(
+  async () => ({ ok: true }) as Awaited<ReturnType<SendPollDiscord>>,
+);
+
+vi.mock("../../../discord/send.js", async () => {
+  const actual = await vi.importActual<typeof import("../../../discord/send.js")>(
+    "../../../discord/send.js",
+  );
+  return {
+    ...actual,
+    sendMessageDiscord: (...args: Parameters<SendMessageDiscord>) => sendMessageDiscord(...args),
+    sendPollDiscord: (...args: Parameters<SendPollDiscord>) => sendPollDiscord(...args),
+  };
+});
+
+const loadHandleDiscordMessageAction = async () => {
+  const mod = await import("./discord/handle-action.js");
+  return mod.handleDiscordMessageAction;
+};
+
+const loadDiscordMessageActions = async () => {
+  const mod = await import("./discord.js");
+  return mod.discordMessageActions;
+};
 
 describe("discord message actions", () => {
-  it("lists channel and upload actions by default", () => {
+  it("lists channel and upload actions by default", async () => {
     const cfg = { channels: { discord: { token: "d0" } } } as ClawdbotConfig;
+    const discordMessageActions = await loadDiscordMessageActions();
     const actions = discordMessageActions.listActions?.({ cfg }) ?? [];
 
     expect(actions).toContain("emoji-upload");
@@ -13,12 +43,65 @@ describe("discord message actions", () => {
     expect(actions).toContain("channel-create");
   });
 
-  it("respects disabled channel actions", () => {
+  it("respects disabled channel actions", async () => {
     const cfg = {
       channels: { discord: { token: "d0", actions: { channels: false } } },
     } as ClawdbotConfig;
+    const discordMessageActions = await loadDiscordMessageActions();
     const actions = discordMessageActions.listActions?.({ cfg }) ?? [];
 
     expect(actions).not.toContain("channel-create");
   });
 });
+
+describe("handleDiscordMessageAction", () => {
+  it("forwards context accountId for send", async () => {
+    sendMessageDiscord.mockClear();
+    const handleDiscordMessageAction = await loadHandleDiscordMessageAction();
+
+    await handleDiscordMessageAction({
+      action: "send",
+      params: {
+        to: "channel:123",
+        message: "hi",
+      },
+      cfg: {} as ClawdbotConfig,
+      accountId: "ops",
+    });
+
+    expect(sendMessageDiscord).toHaveBeenCalledWith(
+      "channel:123",
+      "hi",
+      expect.objectContaining({
+        accountId: "ops",
+      }),
+    );
+  });
+
+  it("falls back to params accountId when context missing", async () => {
+    sendPollDiscord.mockClear();
+    const handleDiscordMessageAction = await loadHandleDiscordMessageAction();
+
+    await handleDiscordMessageAction({
+      action: "poll",
+      params: {
+        to: "channel:123",
+        pollQuestion: "Ready?",
+        pollOption: ["Yes", "No"],
+        accountId: "marve",
+      },
+      cfg: {} as ClawdbotConfig,
+    });
+
+    expect(sendPollDiscord).toHaveBeenCalledWith(
+      "channel:123",
+      expect.objectContaining({
+        question: "Ready?",
+        options: ["Yes", "No"],
+      }),
+      expect.objectContaining({
+        accountId: "marve",
+      }),
+    );
+  });
+});
diff --git a/src/channels/plugins/actions/discord.ts b/src/channels/plugins/actions/discord.ts
index fcae08633..ebed5eb0d 100644
--- a/src/channels/plugins/actions/discord.ts
+++ b/src/channels/plugins/actions/discord.ts
@@ -80,7 +80,7 @@ export const discordMessageActions: ChannelMessageActionAdapter = {
     }
     return null;
   },
-  handleAction: async ({ action, params, cfg }) => {
-    return await handleDiscordMessageAction({ action, params, cfg });
+  handleAction: async ({ action, params, cfg, accountId }) => {
+    return await handleDiscordMessageAction({ action, params, cfg, accountId });
   },
 };
diff --git a/src/channels/plugins/actions/discord/handle-action.ts b/src/channels/plugins/actions/discord/handle-action.ts
index 82f08e686..031ca9f5b 100644
--- a/src/channels/plugins/actions/discord/handle-action.ts
+++ b/src/channels/plugins/actions/discord/handle-action.ts
@@ -18,9 +18,10 @@ function readParentIdParam(params: Record<string, unknown>): string | null | und
 }
 
 export async function handleDiscordMessageAction(
-  ctx: Pick<ChannelMessageActionContext, "action" | "params" | "cfg">,
+  ctx: Pick<ChannelMessageActionContext, "action" | "params" | "cfg" | "accountId">,
 ): Promise<AgentToolResult<unknown>> {
   const { action, params, cfg } = ctx;
+  const accountId = ctx.accountId ?? readStringParam(params, "accountId");
 
   const resolveChannelId = () =>
     resolveDiscordChannelId(
@@ -39,6 +40,7 @@ export async function handleDiscordMessageAction(
     return await handleDiscordAction(
       {
         action: "sendMessage",
+        accountId: accountId ?? undefined,
         to,
         content,
         mediaUrl: mediaUrl ?? undefined,
@@ -62,6 +64,7 @@ export async function handleDiscordMessageAction(
     return await handleDiscordAction(
       {
         action: "poll",
+        accountId: accountId ?? undefined,
         to,
         question,
         answers,
diff --git a/src/cron/isolated-agent/run.ts b/src/cron/isolated-agent/run.ts
index 296cf6aad..4f8f4deb3 100644
--- a/src/cron/isolated-agent/run.ts
+++ b/src/cron/isolated-agent/run.ts
@@ -299,6 +299,7 @@ export async function runCronIsolatedAgentTurn(params: {
           sessionId: cronSession.sessionEntry.sessionId,
           sessionKey: agentSessionKey,
           messageChannel,
+          agentAccountId: resolvedDelivery.accountId,
           sessionFile,
           workspaceDir,
           config: cfgWithAgentDefaults,
diff --git a/src/infra/outbound/message-action-runner.test.ts b/src/infra/outbound/message-action-runner.test.ts
index 0fd10eb3b..9b592d9d2 100644
--- a/src/infra/outbound/message-action-runner.test.ts
+++ b/src/infra/outbound/message-action-runner.test.ts
@@ -410,3 +410,65 @@ describe("runMessageAction sendAttachment hydration", () => {
     );
   });
 });
+
+describe("runMessageAction accountId defaults", () => {
+  const handleAction = vi.fn(async () => jsonResult({ ok: true }));
+  const accountPlugin: ChannelPlugin = {
+    id: "discord",
+    meta: {
+      id: "discord",
+      label: "Discord",
+      selectionLabel: "Discord",
+      docsPath: "/channels/discord",
+      blurb: "Discord test plugin.",
+    },
+    capabilities: { chatTypes: ["direct"] },
+    config: {
+      listAccountIds: () => ["default"],
+      resolveAccount: () => ({}),
+    },
+    actions: {
+      listActions: () => ["send"],
+      handleAction,
+    },
+  };
+
+  beforeEach(() => {
+    setActivePluginRegistry(
+      createTestRegistry([
+        {
+          pluginId: "discord",
+          source: "test",
+          plugin: accountPlugin,
+        },
+      ]),
+    );
+    handleAction.mockClear();
+  });
+
+  afterEach(() => {
+    setActivePluginRegistry(createTestRegistry([]));
+    vi.clearAllMocks();
+  });
+
+  it("propagates defaultAccountId into params", async () => {
+    await runMessageAction({
+      cfg: {} as ClawdbotConfig,
+      action: "send",
+      params: {
+        channel: "discord",
+        target: "channel:123",
+        message: "hi",
+      },
+      defaultAccountId: "ops",
+    });
+
+    expect(handleAction).toHaveBeenCalled();
+    const ctx = handleAction.mock.calls[0]?.[0] as {
+      accountId?: string | null;
+      params: Record<string, unknown>;
+    };
+    expect(ctx.accountId).toBe("ops");
+    expect(ctx.params.accountId).toBe("ops");
+  });
+});
diff --git a/src/infra/outbound/message-action-runner.ts b/src/infra/outbound/message-action-runner.ts
index dc8aeddf3..051098f34 100644
--- a/src/infra/outbound/message-action-runner.ts
+++ b/src/infra/outbound/message-action-runner.ts
@@ -803,6 +803,9 @@ export async function runMessageAction(
 
   const channel = await resolveChannel(cfg, params);
   const accountId = readStringParam(params, "accountId") ?? input.defaultAccountId;
+  if (accountId) {
+    params.accountId = accountId;
+  }
   const dryRun = Boolean(input.dryRun ?? readBooleanParam(params, "dryRun"));
 
   await hydrateSendAttachmentParams({