diff --git a/extensions/imessage/src/channel.ts b/extensions/imessage/src/channel.ts
index 2eadc5a8a90..5178f1f883c 100644
--- a/extensions/imessage/src/channel.ts
+++ b/extensions/imessage/src/channel.ts
@@ -11,14 +11,16 @@ import {
   formatTrimmedAllowFromEntries,
   looksLikeIMessageTargetId,
   normalizeIMessageMessagingTarget,
-  resolveIMessageGroupRequireMention,
-  resolveIMessageGroupToolPolicy,
   type ChannelPlugin,
 } from "openclaw/plugin-sdk/imessage";
 import { createLazyRuntimeModule } from "openclaw/plugin-sdk/lazy-runtime";
 import { type RoutePeer } from "openclaw/plugin-sdk/routing";
 import { buildPassiveProbedChannelStatusSummary } from "../../shared/channel-status-summary.js";
 import { resolveIMessageAccount, type ResolvedIMessageAccount } from "./accounts.js";
+import {
+  resolveIMessageGroupRequireMention,
+  resolveIMessageGroupToolPolicy,
+} from "./group-policy.js";
 import { getIMessageRuntime } from "./runtime.js";
 import { imessageSetupAdapter } from "./setup-core.js";
 import { createIMessagePluginBase, imessageSetupWizard } from "./shared.js";
diff --git a/extensions/imessage/src/group-policy.test.ts b/extensions/imessage/src/group-policy.test.ts
new file mode 100644
index 00000000000..c94d76bfd27
--- /dev/null
+++ b/extensions/imessage/src/group-policy.test.ts
@@ -0,0 +1,36 @@
+import { describe, expect, it } from "vitest";
+import {
+  resolveIMessageGroupRequireMention,
+  resolveIMessageGroupToolPolicy,
+} from "./group-policy.js";
+
+describe("imessage group policy", () => {
+  it("uses generic channel group policy helpers", () => {
+    const cfg = {
+      channels: {
+        imessage: {
+          groups: {
+            "chat:family": {
+              requireMention: false,
+              tools: { deny: ["exec"] },
+            },
+            "*": {
+              requireMention: true,
+              tools: { allow: ["message.send"] },
+            },
+          },
+        },
+      },
+      // oxlint-disable-next-line typescript/no-explicit-any
+    } as any;
+
+    expect(resolveIMessageGroupRequireMention({ cfg, groupId: "chat:family" })).toBe(false);
+    expect(resolveIMessageGroupRequireMention({ cfg, groupId: "chat:other" })).toBe(true);
+    expect(resolveIMessageGroupToolPolicy({ cfg, groupId: "chat:family" })).toEqual({
+      deny: ["exec"],
+    });
+    expect(resolveIMessageGroupToolPolicy({ cfg, groupId: "chat:other" })).toEqual({
+      allow: ["message.send"],
+    });
+  });
+});
diff --git a/extensions/imessage/src/group-policy.ts b/extensions/imessage/src/group-policy.ts
new file mode 100644
index 00000000000..bfb25e77241
--- /dev/null
+++ b/extensions/imessage/src/group-policy.ts
@@ -0,0 +1,40 @@
+import {
+  resolveChannelGroupRequireMention,
+  resolveChannelGroupToolsPolicy,
+  type GroupToolPolicyConfig,
+} from "openclaw/plugin-sdk/channel-policy";
+import type { OpenClawConfig } from "openclaw/plugin-sdk/imessage";
+
+type IMessageGroupContext = {
+  cfg: OpenClawConfig;
+  accountId?: string | null;
+  groupId?: string | null;
+  senderId?: string | null;
+  senderName?: string | null;
+  senderUsername?: string | null;
+  senderE164?: string | null;
+};
+
+export function resolveIMessageGroupRequireMention(params: IMessageGroupContext): boolean {
+  return resolveChannelGroupRequireMention({
+    cfg: params.cfg,
+    channel: "imessage",
+    groupId: params.groupId,
+    accountId: params.accountId,
+  });
+}
+
+export function resolveIMessageGroupToolPolicy(
+  params: IMessageGroupContext,
+): GroupToolPolicyConfig | undefined {
+  return resolveChannelGroupToolsPolicy({
+    cfg: params.cfg,
+    channel: "imessage",
+    groupId: params.groupId,
+    accountId: params.accountId,
+    senderId: params.senderId,
+    senderName: params.senderName,
+    senderUsername: params.senderUsername,
+    senderE164: params.senderE164,
+  });
+}
diff --git a/src/plugin-sdk/imessage.ts b/src/plugin-sdk/imessage.ts
index adad1403eb6..d3007be1eef 100644
--- a/src/plugin-sdk/imessage.ts
+++ b/src/plugin-sdk/imessage.ts
@@ -37,7 +37,7 @@ export {
 export {
   resolveIMessageGroupRequireMention,
   resolveIMessageGroupToolPolicy,
-} from "../channels/plugins/group-mentions.js";
+} from "../../extensions/imessage/src/group-policy.js";
 export { IMessageConfigSchema } from "../config/zod-schema.providers-core.js";
 
 export { resolveChannelMediaMaxBytes } from "../channels/plugins/media-limits.js";