diff --git a/api/server/routes/admin/roles.js b/api/server/routes/admin/roles.js
index fcad24b993..746afd4a35 100644
--- a/api/server/routes/admin/roles.js
+++ b/api/server/routes/admin/roles.js
@@ -11,21 +11,6 @@ const requireAdminAccess = requireCapability(SystemCapabilities.ACCESS_ADMIN);
 const requireReadRoles = requireCapability(SystemCapabilities.READ_ROLES);
 const requireManageRoles = requireCapability(SystemCapabilities.MANAGE_ROLES);
 
-async function listUsersByRole(roleName) {
-  const mongoose = require('mongoose');
-  const User = mongoose.models.User;
-  const users = await User.find({ role: roleName })
-    .select('_id name email avatar createdAt')
-    .lean();
-  return users.map((u) => ({
-    userId: String(u._id),
-    name: u.name ?? String(u._id),
-    email: u.email ?? '',
-    avatarUrl: u.avatar,
-    joinedAt: u.createdAt ? u.createdAt.toISOString() : new Date().toISOString(),
-  }));
-}
-
 const handlers = createAdminRolesHandlers({
   listRoles: db.listRoles,
   getRoleByName: db.getRoleByName,
@@ -35,8 +20,7 @@ const handlers = createAdminRolesHandlers({
   deleteRole: db.deleteRole,
   findUser: db.findUser,
   updateUser: db.updateUser,
-  countUsers: db.countUsers,
-  listUsersByRole,
+  listUsersByRole: db.listUsersByRole,
 });
 
 router.use(requireJwtAuth, requireAdminAccess);
diff --git a/packages/api/src/admin/roles.ts b/packages/api/src/admin/roles.ts
index 96594e8507..f7e87133d8 100644
--- a/packages/api/src/admin/roles.ts
+++ b/packages/api/src/admin/roles.ts
@@ -1,9 +1,9 @@
-import { SystemRoles } from 'librechat-data-provider';
 import { logger } from '@librechat/data-schemas';
+import { SystemRoles } from 'librechat-data-provider';
 import type { IRole, IUser } from '@librechat/data-schemas';
+import type { ServerRequest } from '~/types/http';
 import type { FilterQuery } from 'mongoose';
 import type { Response } from 'express';
-import type { ServerRequest } from '~/types/http';
 
 interface RoleNameParams {
   name: string;
@@ -23,10 +23,7 @@ interface AdminMember {
 
 export interface AdminRolesDeps {
   listRoles: () => Promise<IRole[]>;
-  getRoleByName: (
-    name: string,
-    fields?: string | string[] | null,
-  ) => Promise<IRole | null>;
+  getRoleByName: (name: string, fields?: string | string[] | null) => Promise<IRole | null>;
   createRole: (roleData: Partial<IRole>) => Promise<IRole>;
   updateRoleByName: (name: string, updates: Partial<IRole>) => Promise<IRole | null>;
   updateAccessPermissions: (
@@ -40,8 +37,7 @@ export interface AdminRolesDeps {
     fields?: string | string[] | null,
   ) => Promise<IUser | null>;
   updateUser: (userId: string, data: Partial<IUser>) => Promise<IUser | null>;
-  countUsers: (filter?: FilterQuery<IUser>) => Promise<number>;
-  listUsersByRole: (roleName: string) => Promise<AdminMember[]>;
+  listUsersByRole: (roleName: string) => Promise<IUser[]>;
 }
 
 export function createAdminRolesHandlers(deps: AdminRolesDeps) {
@@ -54,7 +50,7 @@ export function createAdminRolesHandlers(deps: AdminRolesDeps) {
     deleteRole,
     findUser,
     updateUser,
-    countUsers,
+    listUsersByRole,
   } = deps;
 
   async function listRolesHandler(_req: ServerRequest, res: Response) {
@@ -83,7 +79,10 @@ export function createAdminRolesHandlers(deps: AdminRolesDeps) {
 
   async function createRoleHandler(req: ServerRequest, res: Response) {
     try {
-      const { name, permissions } = req.body as { name?: string; permissions?: IRole['permissions'] };
+      const { name, permissions } = req.body as {
+        name?: string;
+        permissions?: IRole['permissions'];
+      };
       if (!name || typeof name !== 'string' || !name.trim()) {
         return res.status(400).json({ error: 'name is required' });
       }
@@ -176,7 +175,14 @@ export function createAdminRolesHandlers(deps: AdminRolesDeps) {
         return res.status(404).json({ error: 'Role not found' });
       }
 
-      const members = await deps.listUsersByRole(name);
+      const users = await listUsersByRole(name);
+      const members: AdminMember[] = users.map((u) => ({
+        userId: u._id?.toString() ?? '',
+        name: u.name ?? u._id?.toString() ?? '',
+        email: u.email ?? '',
+        avatarUrl: u.avatar,
+        joinedAt: u.createdAt ? u.createdAt.toISOString() : new Date().toISOString(),
+      }));
       return res.status(200).json({ members });
     } catch (error) {
       logger.error('[adminRoles] getRoleMembers error:', error);
diff --git a/packages/data-schemas/src/methods/role.ts b/packages/data-schemas/src/methods/role.ts
index 556f2892be..955f7b3d35 100644
--- a/packages/data-schemas/src/methods/role.ts
+++ b/packages/data-schemas/src/methods/role.ts
@@ -5,7 +5,7 @@ import {
   permissionsSchema,
   removeNullishValues,
 } from 'librechat-data-provider';
-import type { IRole } from '~/types';
+import type { IRole, IUser } from '~/types';
 import logger from '~/config/winston';
 
 export interface RoleDeps {
@@ -342,9 +342,7 @@ export function createRoleMethods(mongoose: typeof import('mongoose'), deps: Rol
     }
   }
 
-  /**
-   * Create a new custom role. Rejects names that match system roles.
-   */
+  /** Rejects names that match system roles. */
   async function createRole(roleData: Partial<IRole>): Promise<IRole> {
     const { name } = roleData;
     if (!name || typeof name !== 'string' || !name.trim()) {
@@ -369,10 +367,7 @@ export function createRoleMethods(mongoose: typeof import('mongoose'), deps: Rol
     return role.toObject() as IRole;
   }
 
-  /**
-   * Delete a role by name. Guards against deleting system roles.
-   * Reassigns all users with the deleted role back to USER.
-   */
+  /** Guards against deleting system roles. Reassigns affected users back to USER. */
   async function deleteRole(roleName: string): Promise<IRole | null> {
     if (SystemRoles[roleName as keyof typeof SystemRoles]) {
       throw new Error(`Cannot delete system role: ${roleName}`);
@@ -390,6 +385,13 @@ export function createRoleMethods(mongoose: typeof import('mongoose'), deps: Rol
     return deleted as IRole | null;
   }
 
+  async function listUsersByRole(roleName: string): Promise<IUser[]> {
+    const User = mongoose.models.User;
+    return (await User.find({ role: roleName })
+      .select('_id name email avatar createdAt')
+      .lean()) as IUser[];
+  }
+
   return {
     listRoles,
     initializeRoles,
@@ -399,6 +401,7 @@ export function createRoleMethods(mongoose: typeof import('mongoose'), deps: Rol
     migrateRoleSchema,
     createRole,
     deleteRole,
+    listUsersByRole,
   };
 }