diff --git a/CHANGELOG.md b/CHANGELOG.md
index 559afe74b..2444e1447 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@ Docs: https://docs.clawd.bot
 - macOS: default direct-transport `ws://` URLs to port 18789; document `gateway.remote.transport`. (#1603) Thanks @ngutman.
 - Voice Call: return stream TwiML for outbound conversation calls on initial Twilio webhook. (#1634)
 - Google Chat: tighten email allowlist matching, typing cleanup, media caps, and onboarding/docs/tests. (#1635) Thanks @iHildy.
+- Google Chat: normalize space targets without double `spaces/` prefix.
 
 ## 2026.1.23-1
 
diff --git a/extensions/googlechat/src/targets.ts b/extensions/googlechat/src/targets.ts
index 58df49484..a294bf128 100644
--- a/extensions/googlechat/src/targets.ts
+++ b/extensions/googlechat/src/targets.ts
@@ -6,8 +6,8 @@ export function normalizeGoogleChatTarget(raw?: string | null): string | undefin
   if (!trimmed) return undefined;
   const withoutPrefix = trimmed.replace(/^(googlechat|google-chat|gchat):/i, "");
   const normalized = withoutPrefix
-    .replace(/^user:/i, "users/")
-    .replace(/^space:/i, "spaces/");
+    .replace(/^user:(users\/)?/i, "users/")
+    .replace(/^space:(spaces\/)?/i, "spaces/");
   if (isGoogleChatUserTarget(normalized)) {
     const suffix = normalized.slice("users/".length);
     return suffix.includes("@") ? `users/${suffix.toLowerCase()}` : normalized;
diff --git a/src/channels/plugins/group-mentions.ts b/src/channels/plugins/group-mentions.ts
index b15ce1b07..9d254e57a 100644
--- a/src/channels/plugins/group-mentions.ts
+++ b/src/channels/plugins/group-mentions.ts
@@ -164,6 +164,17 @@ export function resolveGoogleChatGroupRequireMention(params: GroupMentionParams)
   });
 }
 
+export function resolveGoogleChatGroupToolPolicy(
+  params: GroupMentionParams,
+): GroupToolPolicyConfig | undefined {
+  return resolveChannelGroupToolsPolicy({
+    cfg: params.cfg,
+    channel: "googlechat",
+    groupId: params.groupId,
+    accountId: params.accountId,
+  });
+}
+
 export function resolveSlackGroupRequireMention(params: GroupMentionParams): boolean {
   const account = resolveSlackAccount({
     cfg: params.cfg,
diff --git a/src/plugin-sdk/index.ts b/src/plugin-sdk/index.ts
index 8e08dad25..f40d99d82 100644
--- a/src/plugin-sdk/index.ts
+++ b/src/plugin-sdk/index.ts
@@ -154,6 +154,7 @@ export {
   resolveWhatsAppGroupRequireMention,
   resolveBlueBubblesGroupToolPolicy,
   resolveDiscordGroupToolPolicy,
+  resolveGoogleChatGroupToolPolicy,
   resolveIMessageGroupToolPolicy,
   resolveSlackGroupToolPolicy,
   resolveTelegramGroupToolPolicy,