diff --git a/extensions/bluebubbles/src/accounts.ts b/extensions/bluebubbles/src/accounts.ts
index 36a51ff50c..284dd2add6 100644
--- a/extensions/bluebubbles/src/accounts.ts
+++ b/extensions/bluebubbles/src/accounts.ts
@@ -1,5 +1,6 @@
 import type { OpenClawConfig } from "openclaw/plugin-sdk";
-import { DEFAULT_ACCOUNT_ID, normalizeAccountId } from "openclaw/plugin-sdk/account-id";
+import { createAccountListHelpers } from "openclaw/plugin-sdk";
+import { normalizeAccountId } from "openclaw/plugin-sdk/account-id";
 import { normalizeBlueBubblesServerUrl, type BlueBubblesAccountConfig } from "./types.js";
 
 export type ResolvedBlueBubblesAccount = {
@@ -11,29 +12,9 @@ export type ResolvedBlueBubblesAccount = {
   baseUrl?: string;
 };
 
-function listConfiguredAccountIds(cfg: OpenClawConfig): string[] {
-  const accounts = cfg.channels?.bluebubbles?.accounts;
-  if (!accounts || typeof accounts !== "object") {
-    return [];
-  }
-  return Object.keys(accounts).filter(Boolean);
-}
-
-export function listBlueBubblesAccountIds(cfg: OpenClawConfig): string[] {
-  const ids = listConfiguredAccountIds(cfg);
-  if (ids.length === 0) {
-    return [DEFAULT_ACCOUNT_ID];
-  }
-  return ids.toSorted((a, b) => a.localeCompare(b));
-}
-
-export function resolveDefaultBlueBubblesAccountId(cfg: OpenClawConfig): string {
-  const ids = listBlueBubblesAccountIds(cfg);
-  if (ids.includes(DEFAULT_ACCOUNT_ID)) {
-    return DEFAULT_ACCOUNT_ID;
-  }
-  return ids[0] ?? DEFAULT_ACCOUNT_ID;
-}
+const { listAccountIds, resolveDefaultAccountId } = createAccountListHelpers("bluebubbles");
+export const listBlueBubblesAccountIds = listAccountIds;
+export const resolveDefaultBlueBubblesAccountId = resolveDefaultAccountId;
 
 function resolveAccountConfig(
   cfg: OpenClawConfig,
diff --git a/extensions/feishu/src/accounts.ts b/extensions/feishu/src/accounts.ts
index 4123bef4f2..ef61b7959b 100644
--- a/extensions/feishu/src/accounts.ts
+++ b/extensions/feishu/src/accounts.ts
@@ -1,5 +1,6 @@
 import type { ClawdbotConfig } from "openclaw/plugin-sdk";
-import { DEFAULT_ACCOUNT_ID, normalizeAccountId } from "openclaw/plugin-sdk/account-id";
+import { createAccountListHelpers } from "openclaw/plugin-sdk";
+import { normalizeAccountId } from "openclaw/plugin-sdk/account-id";
 import type {
   FeishuConfig,
   FeishuAccountConfig,
@@ -7,40 +8,9 @@ import type {
   ResolvedFeishuAccount,
 } from "./types.js";
 
-/**
- * List all configured account IDs from the accounts field.
- */
-function listConfiguredAccountIds(cfg: ClawdbotConfig): string[] {
-  const accounts = (cfg.channels?.feishu as FeishuConfig)?.accounts;
-  if (!accounts || typeof accounts !== "object") {
-    return [];
-  }
-  return Object.keys(accounts).filter(Boolean);
-}
-
-/**
- * List all Feishu account IDs.
- * If no accounts are configured, returns [DEFAULT_ACCOUNT_ID] for backward compatibility.
- */
-export function listFeishuAccountIds(cfg: ClawdbotConfig): string[] {
-  const ids = listConfiguredAccountIds(cfg);
-  if (ids.length === 0) {
-    // Backward compatibility: no accounts configured, use default
-    return [DEFAULT_ACCOUNT_ID];
-  }
-  return [...ids].toSorted((a, b) => a.localeCompare(b));
-}
-
-/**
- * Resolve the default account ID.
- */
-export function resolveDefaultFeishuAccountId(cfg: ClawdbotConfig): string {
-  const ids = listFeishuAccountIds(cfg);
-  if (ids.includes(DEFAULT_ACCOUNT_ID)) {
-    return DEFAULT_ACCOUNT_ID;
-  }
-  return ids[0] ?? DEFAULT_ACCOUNT_ID;
-}
+const { listAccountIds, resolveDefaultAccountId } = createAccountListHelpers("feishu");
+export const listFeishuAccountIds = listAccountIds;
+export const resolveDefaultFeishuAccountId = resolveDefaultAccountId;
 
 /**
  * Get the raw account-specific config.
diff --git a/extensions/googlechat/src/accounts.ts b/extensions/googlechat/src/accounts.ts
index 2c7126a58b..ee9937aa63 100644
--- a/extensions/googlechat/src/accounts.ts
+++ b/extensions/googlechat/src/accounts.ts
@@ -1,4 +1,5 @@
 import type { OpenClawConfig } from "openclaw/plugin-sdk";
+import { createAccountListHelpers } from "openclaw/plugin-sdk";
 import { DEFAULT_ACCOUNT_ID, normalizeAccountId } from "openclaw/plugin-sdk/account-id";
 import type { GoogleChatAccountConfig } from "./types.config.js";
 
@@ -17,21 +18,8 @@ export type ResolvedGoogleChatAccount = {
 const ENV_SERVICE_ACCOUNT = "GOOGLE_CHAT_SERVICE_ACCOUNT";
 const ENV_SERVICE_ACCOUNT_FILE = "GOOGLE_CHAT_SERVICE_ACCOUNT_FILE";
 
-function listConfiguredAccountIds(cfg: OpenClawConfig): string[] {
-  const accounts = cfg.channels?.["googlechat"]?.accounts;
-  if (!accounts || typeof accounts !== "object") {
-    return [];
-  }
-  return Object.keys(accounts).filter(Boolean);
-}
-
-export function listGoogleChatAccountIds(cfg: OpenClawConfig): string[] {
-  const ids = listConfiguredAccountIds(cfg);
-  if (ids.length === 0) {
-    return [DEFAULT_ACCOUNT_ID];
-  }
-  return ids.toSorted((a, b) => a.localeCompare(b));
-}
+const { listAccountIds } = createAccountListHelpers("googlechat");
+export const listGoogleChatAccountIds = listAccountIds;
 
 export function resolveDefaultGoogleChatAccountId(cfg: OpenClawConfig): string {
   const channel = cfg.channels?.["googlechat"];
diff --git a/extensions/mattermost/src/mattermost/accounts.ts b/extensions/mattermost/src/mattermost/accounts.ts
index 0da9465613..358df0bb30 100644
--- a/extensions/mattermost/src/mattermost/accounts.ts
+++ b/extensions/mattermost/src/mattermost/accounts.ts
@@ -1,4 +1,5 @@
 import type { OpenClawConfig } from "openclaw/plugin-sdk";
+import { createAccountListHelpers } from "openclaw/plugin-sdk";
 import { DEFAULT_ACCOUNT_ID, normalizeAccountId } from "openclaw/plugin-sdk/account-id";
 import type { MattermostAccountConfig, MattermostChatMode } from "../types.js";
 import { normalizeMattermostBaseUrl } from "./client.js";
@@ -23,29 +24,9 @@ export type ResolvedMattermostAccount = {
   blockStreamingCoalesce?: MattermostAccountConfig["blockStreamingCoalesce"];
 };
 
-function listConfiguredAccountIds(cfg: OpenClawConfig): string[] {
-  const accounts = cfg.channels?.mattermost?.accounts;
-  if (!accounts || typeof accounts !== "object") {
-    return [];
-  }
-  return Object.keys(accounts).filter(Boolean);
-}
-
-export function listMattermostAccountIds(cfg: OpenClawConfig): string[] {
-  const ids = listConfiguredAccountIds(cfg);
-  if (ids.length === 0) {
-    return [DEFAULT_ACCOUNT_ID];
-  }
-  return ids.toSorted((a, b) => a.localeCompare(b));
-}
-
-export function resolveDefaultMattermostAccountId(cfg: OpenClawConfig): string {
-  const ids = listMattermostAccountIds(cfg);
-  if (ids.includes(DEFAULT_ACCOUNT_ID)) {
-    return DEFAULT_ACCOUNT_ID;
-  }
-  return ids[0] ?? DEFAULT_ACCOUNT_ID;
-}
+const { listAccountIds, resolveDefaultAccountId } = createAccountListHelpers("mattermost");
+export const listMattermostAccountIds = listAccountIds;
+export const resolveDefaultMattermostAccountId = resolveDefaultAccountId;
 
 function resolveAccountConfig(
   cfg: OpenClawConfig,
diff --git a/extensions/zalo/src/accounts.ts b/extensions/zalo/src/accounts.ts
index 5fb4d13bac..c181616b01 100644
--- a/extensions/zalo/src/accounts.ts
+++ b/extensions/zalo/src/accounts.ts
@@ -1,25 +1,13 @@
 import type { OpenClawConfig } from "openclaw/plugin-sdk";
+import { createAccountListHelpers } from "openclaw/plugin-sdk";
 import { DEFAULT_ACCOUNT_ID, normalizeAccountId } from "openclaw/plugin-sdk/account-id";
 import type { ResolvedZaloAccount, ZaloAccountConfig, ZaloConfig } from "./types.js";
 import { resolveZaloToken } from "./token.js";
 
 export type { ResolvedZaloAccount };
 
-function listConfiguredAccountIds(cfg: OpenClawConfig): string[] {
-  const accounts = (cfg.channels?.zalo as ZaloConfig | undefined)?.accounts;
-  if (!accounts || typeof accounts !== "object") {
-    return [];
-  }
-  return Object.keys(accounts).filter(Boolean);
-}
-
-export function listZaloAccountIds(cfg: OpenClawConfig): string[] {
-  const ids = listConfiguredAccountIds(cfg);
-  if (ids.length === 0) {
-    return [DEFAULT_ACCOUNT_ID];
-  }
-  return ids.toSorted((a, b) => a.localeCompare(b));
-}
+const { listAccountIds } = createAccountListHelpers("zalo");
+export const listZaloAccountIds = listAccountIds;
 
 export function resolveDefaultZaloAccountId(cfg: OpenClawConfig): string {
   const zaloConfig = cfg.channels?.zalo as ZaloConfig | undefined;