diff --git a/projects/app/src/pages/api/core/plugin/admin/marketplace/installed.ts b/projects/app/src/pages/api/core/plugin/admin/marketplace/installed.ts
index 6006318a3f1f..c8e5e7430aae 100644
--- a/projects/app/src/pages/api/core/plugin/admin/marketplace/installed.ts
+++ b/projects/app/src/pages/api/core/plugin/admin/marketplace/installed.ts
@@ -24,10 +24,16 @@ async function handler(
   const { type } = req.query;
 
   const tools = await APIGetSystemToolList();
+  console.log(tools);
 
   return {
-    ids: tools.map((tool) => tool.id.replace(`${AppToolSourceEnum.systemTool}-`, ''))
+    list: tools.map((tool) => ({
+      id: tool.id.replace(`${AppToolSourceEnum.systemTool}-`, ''),
+      version: tool.version
+    }))
   };
 }
 
 export default NextAPI(handler);
+
+export { handler };
diff --git a/test/cases/pages/api/core/plugin/admin/marketplace/installed.test.ts b/test/cases/pages/api/core/plugin/admin/marketplace/installed.test.ts
new file mode 100644
index 000000000000..4121de19b0da
--- /dev/null
+++ b/test/cases/pages/api/core/plugin/admin/marketplace/installed.test.ts
@@ -0,0 +1,140 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import type { ApiRequestProps, ApiResponseType } from '@fastgpt/service/type/next';
+import { AppToolSourceEnum } from '@fastgpt/global/core/app/tool/constants';
+
+// --- MOCKS ---
+
+vi.mock('@fastgpt/service/core/app/tool/api', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('@fastgpt/service/core/app/tool/api')>();
+  return {
+    ...actual,
+    APIGetSystemToolList: vi.fn()
+  };
+});
+
+vi.mock('@fastgpt/service/support/permission/user/auth', () => ({
+  authSystemAdmin: vi.fn().mockResolvedValue(undefined)
+}));
+
+import { handler } from '@/pages/api/core/plugin/admin/marketplace/installed';
+import { APIGetSystemToolList } from '@fastgpt/service/core/app/tool/api';
+
+describe('handler (installed)', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('should return an empty list if no tools are installed', async () => {
+    vi.mocked(APIGetSystemToolList).mockResolvedValueOnce([]);
+
+    const req = {
+      query: {}
+    } as unknown as ApiRequestProps<{}, { type?: string }>;
+    const res = {} as ApiResponseType<any>;
+
+    const result = await handler(req, res);
+
+    expect(result).toEqual({ list: [] });
+    expect(APIGetSystemToolList).toHaveBeenCalledTimes(1);
+  });
+
+  it('should return the list of installed tools with id and version', async () => {
+    vi.mocked(APIGetSystemToolList).mockResolvedValueOnce([
+      {
+        id: `${AppToolSourceEnum.systemTool}-toolA`,
+        version: '1.2.3',
+        name: 'Tool A',
+        desc: 'desc',
+        avatar: '',
+        moduleName: '',
+        moduleLogo: '',
+        showStatus: true,
+        status: true,
+        isSystem: true
+      },
+      {
+        id: `${AppToolSourceEnum.systemTool}-toolB`,
+        version: '4.5.6',
+        name: 'Tool B',
+        desc: 'desc',
+        avatar: '',
+        moduleName: '',
+        moduleLogo: '',
+        showStatus: true,
+        status: true,
+        isSystem: true
+      }
+    ]);
+
+    const req = {
+      query: {}
+    } as unknown as ApiRequestProps<{}, { type?: string }>;
+    const res = {} as ApiResponseType<any>;
+
+    const result = await handler(req, res);
+
+    expect(result).toEqual({
+      list: [
+        { id: 'toolA', version: '1.2.3' },
+        { id: 'toolB', version: '4.5.6' }
+      ]
+    });
+    expect(APIGetSystemToolList).toHaveBeenCalledTimes(1);
+  });
+
+  it('should remove only the systemTool- prefix from id', async () => {
+    vi.mocked(APIGetSystemToolList).mockResolvedValueOnce([
+      {
+        id: `${AppToolSourceEnum.systemTool}-my-tool-123`,
+        version: '0.0.1',
+        name: 'My Tool',
+        desc: 'desc',
+        avatar: '',
+        moduleName: '',
+        moduleLogo: '',
+        showStatus: true,
+        status: true,
+        isSystem: true
+      }
+    ]);
+
+    const req = {
+      query: { type: 'whatever' }
+    } as unknown as ApiRequestProps<{}, { type?: string }>;
+    const res = {} as ApiResponseType<any>;
+
+    const result = await handler(req, res);
+
+    expect(result).toEqual({
+      list: [{ id: 'my-tool-123', version: '0.0.1' }]
+    });
+  });
+
+  it('should handle tools with ids not starting with the systemTool- prefix', async () => {
+    vi.mocked(APIGetSystemToolList).mockResolvedValueOnce([
+      {
+        id: 'randomprefix-toolX',
+        version: '9.9.9',
+        name: 'Tool X',
+        desc: 'desc',
+        avatar: '',
+        moduleName: '',
+        moduleLogo: '',
+        showStatus: true,
+        status: true,
+        isSystem: true
+      }
+    ]);
+
+    const req = {
+      query: {}
+    } as unknown as ApiRequestProps<{}, { type?: string }>;
+    const res = {} as ApiResponseType<any>;
+
+    const result = await handler(req, res);
+
+    expect(result).toEqual({
+      list: [{ id: 'randomprefix-toolX', version: '9.9.9' }]
+    });
+  });
+});