diff --git a/extensions/feishu/src/policy.ts b/extensions/feishu/src/policy.ts
index 051c8bcdf..50eff9372 100644
--- a/extensions/feishu/src/policy.ts
+++ b/extensions/feishu/src/policy.ts
@@ -3,6 +3,7 @@ import type {
   ChannelGroupContext,
   GroupToolPolicyConfig,
 } from "openclaw/plugin-sdk/feishu";
+import { evaluateSenderGroupAccessForPolicy } from "openclaw/plugin-sdk/feishu";
 import { normalizeFeishuTarget } from "./targets.js";
 import type { FeishuConfig, FeishuGroupConfig } from "./types.js";
 
@@ -98,14 +99,12 @@ export function isFeishuGroupAllowed(params: {
   senderIds?: Array<string | null | undefined>;
   senderName?: string | null;
 }): boolean {
-  const { groupPolicy } = params;
-  if (groupPolicy === "disabled") {
-    return false;
-  }
-  if (groupPolicy === "open" || groupPolicy === "allowall") {
-    return true;
-  }
-  return resolveFeishuAllowlistMatch(params).allowed;
+  return evaluateSenderGroupAccessForPolicy({
+    groupPolicy: params.groupPolicy === "allowall" ? "open" : params.groupPolicy,
+    groupAllowFrom: params.allowFrom.map((entry) => String(entry)),
+    senderId: params.senderId,
+    isSenderAllowed: () => resolveFeishuAllowlistMatch(params).allowed,
+  }).allowed;
 }
 
 export function resolveFeishuReplyPolicy(params: {
diff --git a/extensions/msteams/src/policy.ts b/extensions/msteams/src/policy.ts
index b0fe16336..3d405f94c 100644
--- a/extensions/msteams/src/policy.ts
+++ b/extensions/msteams/src/policy.ts
@@ -10,6 +10,7 @@ import type {
 } from "openclaw/plugin-sdk/msteams";
 import {
   buildChannelKeyCandidates,
+  evaluateSenderGroupAccessForPolicy,
   normalizeChannelSlug,
   resolveAllowlistMatchSimple,
   resolveToolsBySender,
@@ -248,12 +249,10 @@ export function isMSTeamsGroupAllowed(params: {
   senderName?: string | null;
   allowNameMatching?: boolean;
 }): boolean {
-  const { groupPolicy } = params;
-  if (groupPolicy === "disabled") {
-    return false;
-  }
-  if (groupPolicy === "open") {
-    return true;
-  }
-  return resolveMSTeamsAllowlistMatch(params).allowed;
+  return evaluateSenderGroupAccessForPolicy({
+    groupPolicy: params.groupPolicy,
+    groupAllowFrom: params.allowFrom.map((entry) => String(entry)),
+    senderId: params.senderId,
+    isSenderAllowed: () => resolveMSTeamsAllowlistMatch(params).allowed,
+  }).allowed;
 }
diff --git a/src/plugin-sdk/feishu.ts b/src/plugin-sdk/feishu.ts
index 425d13d7f..9ef52b143 100644
--- a/src/plugin-sdk/feishu.ts
+++ b/src/plugin-sdk/feishu.ts
@@ -57,6 +57,7 @@ export type { AnyAgentTool, OpenClawPluginApi } from "../plugins/types.js";
 export { DEFAULT_ACCOUNT_ID, normalizeAgentId } from "../routing/session-key.js";
 export type { RuntimeEnv } from "../runtime.js";
 export { formatDocsLink } from "../terminal/links.js";
+export { evaluateSenderGroupAccessForPolicy } from "./group-access.js";
 export type { WizardPrompter } from "../wizard/prompts.js";
 export { buildAgentMediaPayload } from "./agent-media-payload.js";
 export { readJsonFileWithFallback } from "./json-store.js";
diff --git a/src/signal/identity.ts b/src/signal/identity.ts
index 244ebc2f6..965a9c88f 100644
--- a/src/signal/identity.ts
+++ b/src/signal/identity.ts
@@ -1,3 +1,4 @@
+import { evaluateSenderGroupAccessForPolicy } from "../plugin-sdk/group-access.js";
 import { normalizeE164 } from "../utils.js";
 
 export type SignalSender =
@@ -129,15 +130,10 @@ export function isSignalGroupAllowed(params: {
   allowFrom: string[];
   sender: SignalSender;
 }): boolean {
-  const { groupPolicy, allowFrom, sender } = params;
-  if (groupPolicy === "disabled") {
-    return false;
-  }
-  if (groupPolicy === "open") {
-    return true;
-  }
-  if (allowFrom.length === 0) {
-    return false;
-  }
-  return isSignalSenderAllowed(sender, allowFrom);
+  return evaluateSenderGroupAccessForPolicy({
+    groupPolicy: params.groupPolicy,
+    groupAllowFrom: params.allowFrom,
+    senderId: params.sender.raw,
+    isSenderAllowed: () => isSignalSenderAllowed(params.sender, params.allowFrom),
+  }).allowed;
 }