support mcp client streamable http (#4650)

* support mcp streamable http

* fix

* fix

* remove deps

packages/global/package.json

@@ -3,19 +3,19 @@
   "version": "1.0.0",
   "dependencies": {
     "@apidevtools/swagger-parser": "^10.1.0",
+    "@bany/curl-to-json": "^1.2.8",
     "axios": "^1.8.2",
     "cron-parser": "^4.9.0",
     "dayjs": "^1.11.7",
     "encoding": "^0.1.13",
     "js-yaml": "^4.1.0",
     "jschardet": "3.1.1",
+    "json5": "^2.2.3",
     "nanoid": "^5.1.3",
     "next": "14.2.26",
     "openai": "4.61.0",
     "openapi-types": "^12.1.3",
-    "json5": "^2.2.3",
-    "timezones-list": "^3.0.2",
-    "@bany/curl-to-json": "^1.2.8"
+    "timezones-list": "^3.0.2"
   },
   "devDependencies": {
     "@types/js-yaml": "^4.0.9",

packages/global/tsconfig.json

@@ -3,5 +3,5 @@
   "compilerOptions": {
     "baseUrl": "."
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", "**/*.d.ts"]
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", "**/*.d.ts", "../service/core/app/mcp.ts"]
 }

packages/service/core/app/mcp.ts

@@ -0,0 +1,112 @@
+import { Client } from '@modelcontextprotocol/sdk/client/index.js';
+import { SSEClientTransport } from '@modelcontextprotocol/sdk/client/sse.js';
+import { StreamableHTTPClientTransport } from '@modelcontextprotocol/sdk/client/streamableHttp.js';
+import { ToolType } from '@fastgpt/global/core/app/type';
+
+export class MCPClient {
+  private client: Client | null = null;
+  private url: string;
+
+  constructor(config: { url: string }) {
+    this.url = config.url;
+  }
+
+  private async getConnection(): Promise<Client> {
+    if (this.client) {
+      return this.client;
+    }
+
+    try {
+      const client = new Client({
+        name: 'FastGPT-MCP-http-client',
+        version: '1.0.0'
+      });
+      const transport = new StreamableHTTPClientTransport(new URL(this.url));
+      await client.connect(transport);
+      this.client = client;
+      return client;
+    } catch (error) {
+      const client = new Client({
+        name: 'FastGPT-MCP-sse-client',
+        version: '1.0.0'
+      });
+      const sseTransport = new SSEClientTransport(new URL(this.url));
+      await client.connect(sseTransport);
+      this.client = client;
+      return client;
+    }
+  }
+
+  // 内部方法：关闭连接
+  private async closeConnection() {
+    if (this.client) {
+      try {
+        await this.client.close();
+        this.client = null;
+      } catch (error) {
+        console.error('Failed to close MCP client:', error);
+      }
+    }
+  }
+
+  /**
+   * Get available tools list
+   * @returns List of tools
+   */
+  public async getTools(): Promise<ToolType[]> {
+    try {
+      const client = await this.getConnection();
+      const response = await client.listTools();
+
+      const tools = (response.tools || []).map((tool: any) => ({
+        name: tool.name,
+        description: tool.description || '',
+        inputSchema: tool.inputSchema || {
+          type: 'object',
+          properties: {}
+        }
+      }));
+
+      return tools;
+    } catch (error) {
+      console.error('Failed to get MCP tools:', error);
+      return Promise.reject(error);
+    } finally {
+      await this.closeConnection();
+    }
+  }
+
+  /**
+   * Call tool
+   * @param toolName Tool name
+   * @param params Parameters
+   * @returns Tool execution result
+   */
+  public async toolCall(toolName: string, params: Record<string, any>): Promise<any> {
+    try {
+      const client = await this.getConnection();
+      console.log(`Call tool: ${toolName}`, params);
+
+      const result = await client.callTool({
+        name: toolName,
+        arguments: params
+      });
+
+      return result;
+    } catch (error) {
+      console.error(`Failed to call tool ${toolName}:`, error);
+      return Promise.reject(error);
+    } finally {
+      await this.closeConnection();
+    }
+  }
+}
+
+/**
+ * Create MCP client
+ * @param config Client configuration, containing url
+ * @returns MCPClient instance
+ */
+export default function getMCPClient(config: { url: string }): MCPClient {
+  return new MCPClient(config);
+}

packages/service/core/workflow/dispatch/plugin/runTool.ts

@@ -2,10 +2,9 @@ import {
   DispatchNodeResultType,
   ModuleDispatchProps
 } from '@fastgpt/global/core/workflow/runtime/type';
-import { SSEClientTransport } from '@modelcontextprotocol/sdk/client/sse.js';
-import { Client } from '@modelcontextprotocol/sdk/client/index.js';
 import { DispatchNodeResponseKeyEnum } from '@fastgpt/global/core/workflow/runtime/constants';
 import { NodeOutputKeyEnum } from '@fastgpt/global/core/workflow/constants';
+import getMCPClient from '../../../app/mcp';
 
 type RunToolProps = ModuleDispatchProps<{
   toolData: {
@@ -27,34 +26,21 @@ export const dispatchRunTool = async (props: RunToolProps): Promise<RunToolRespo
   const { toolData, ...restParams } = params;
   const { name: toolName, url } = toolData;
 
-  const client = new Client({
-    name: 'FastGPT-MCP-client',
-    version: '1.0.0'
-  });
+  const mcpClient = getMCPClient({ url });
 
-  const result = await (async () => {
-    try {
-      const transport = new SSEClientTransport(new URL(url));
-      await client.connect(transport);
+  try {
+    const result = await mcpClient.toolCall(toolName, restParams);
 
-      return await client.callTool({
-        name: toolName,
-        arguments: restParams
-      });
-    } catch (error) {
-      console.error('Error running MCP tool:', error);
-      return Promise.reject(error);
-    } finally {
-      await client.close();
-    }
-  })();
-
-  return {
-    [DispatchNodeResponseKeyEnum.nodeResponse]: {
-      toolRes: result,
-      moduleLogo: avatar
-    },
-    [DispatchNodeResponseKeyEnum.toolResponses]: result,
-    [NodeOutputKeyEnum.rawResponse]: result
-  };
+    return {
+      [DispatchNodeResponseKeyEnum.nodeResponse]: {
+        toolRes: result,
+        moduleLogo: avatar
+      },
+      [DispatchNodeResponseKeyEnum.toolResponses]: result,
+      [NodeOutputKeyEnum.rawResponse]: result
+    };
+  } catch (error) {
+    console.error('Error running MCP tool:', error);
+    return Promise.reject(error);
+  }
 };

packages/service/package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "dependencies": {
     "@fastgpt/global": "workspace:*",
-    "@modelcontextprotocol/sdk": "^1.9.0",
+    "@modelcontextprotocol/sdk": "^1.10.0",
     "@node-rs/jieba": "2.0.1",
     "@xmldom/xmldom": "^0.8.10",
     "@zilliz/milvus2-sdk-node": "2.4.2",

pnpm-lock.yaml

@@ -82,7 +82,7 @@ importers:
         version: 5.1.3
       next:
         specifier: 14.2.26
-        version: 14.2.26(@babel/core@7.26.10)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(sass@1.85.1)
+        version: 14.2.26(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(sass@1.85.1)
       openai:
         specifier: 4.61.0
         version: 4.61.0(encoding@0.1.13)(zod@3.24.2)
@@ -164,8 +164,8 @@ importers:
         specifier: workspace:*
         version: link:../global
       '@modelcontextprotocol/sdk':
-        specifier: ^1.9.0
-        version: 1.9.0
+        specifier: ^1.10.0
+        version: 1.10.2
       '@node-rs/jieba':
         specifier: 2.0.1
         version: 2.0.1
@@ -490,8 +490,8 @@ importers:
         specifier: ^3.0.6
         version: 3.0.6
       '@modelcontextprotocol/sdk':
-        specifier: ^1.9.0
-        version: 1.9.0
+        specifier: ^1.10.0
+        version: 1.10.2
       '@node-rs/jieba':
         specifier: 2.0.1
         version: 2.0.1
@@ -2355,6 +2355,10 @@ packages:
   '@mixmark-io/domino@2.2.0':
     resolution: {integrity: sha512-Y28PR25bHXUg88kCV7nivXrP2Nj2RueZ3/l/jdx6J9f8J4nsEGcgX0Qe6lt7Pa+J79+kPiJU3LguR6O/6zrLOw==}
 
+  '@modelcontextprotocol/sdk@1.10.2':
+    resolution: {integrity: sha512-rb6AMp2DR4SN+kc6L1ta2NCpApyA9WYNx3CrTSZvGxq9wH71bRur+zRqPfg0vQ9mjywR7qZdX2RGHOPq3ss+tA==}
+    engines: {node: '>=18'}
+
   '@modelcontextprotocol/sdk@1.9.0':
     resolution: {integrity: sha512-Jq2EUCQpe0iyO5FGpzVYDNFR6oR53AIrwph9yWl7uSc7IWUMsrmpmSaTGra5hQNunXpM+9oit85p924jWuHzUA==}
     engines: {node: '>=18'}
@@ -11866,6 +11870,21 @@ snapshots:
 
   '@mixmark-io/domino@2.2.0': {}
 
+  '@modelcontextprotocol/sdk@1.10.2':
+    dependencies:
+      content-type: 1.0.5
+      cors: 2.8.5
+      cross-spawn: 7.0.6
+      eventsource: 3.0.6
+      express: 5.1.0
+      express-rate-limit: 7.5.0(express@5.1.0)
+      pkce-challenge: 5.0.0
+      raw-body: 3.0.0
+      zod: 3.24.2
+      zod-to-json-schema: 3.24.5(zod@3.24.2)
+    transitivePeerDependencies:
+      - supports-color
+
   '@modelcontextprotocol/sdk@1.9.0':
     dependencies:
       content-type: 1.0.5
@@ -13662,7 +13681,7 @@ snapshots:
 
   axios@1.8.3:
     dependencies:
-      follow-redirects: 1.15.9(debug@4.4.0)
+      follow-redirects: 1.15.9
       form-data: 4.0.2
       proxy-from-env: 1.1.0
     transitivePeerDependencies:
@@ -15624,6 +15643,8 @@ snapshots:
     dependencies:
       tslib: 2.8.1
 
+  follow-redirects@1.15.9: {}
+
   follow-redirects@1.15.9(debug@4.4.0):
     optionalDependencies:
       debug: 4.4.0(supports-color@5.5.0)
@@ -18114,6 +18135,32 @@ snapshots:
       - '@babel/core'
       - babel-plugin-macros
 
+  next@14.2.26(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(sass@1.85.1):
+    dependencies:
+      '@next/env': 14.2.26
+      '@swc/helpers': 0.5.5
+      busboy: 1.6.0
+      caniuse-lite: 1.0.30001704
+      graceful-fs: 4.2.11
+      postcss: 8.4.31
+      react: 18.3.1
+      react-dom: 18.3.1(react@18.3.1)
+      styled-jsx: 5.1.1(react@18.3.1)
+    optionalDependencies:
+      '@next/swc-darwin-arm64': 14.2.26
+      '@next/swc-darwin-x64': 14.2.26
+      '@next/swc-linux-arm64-gnu': 14.2.26
+      '@next/swc-linux-arm64-musl': 14.2.26
+      '@next/swc-linux-x64-gnu': 14.2.26
+      '@next/swc-linux-x64-musl': 14.2.26
+      '@next/swc-win32-arm64-msvc': 14.2.26
+      '@next/swc-win32-ia32-msvc': 14.2.26
+      '@next/swc-win32-x64-msvc': 14.2.26
+      sass: 1.85.1
+    transitivePeerDependencies:
+      - '@babel/core'
+      - babel-plugin-macros
+
   nextjs-cors@2.2.0(next@14.2.26(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(sass@1.85.1)):
     dependencies:
       cors: 2.8.5
@@ -19797,6 +19844,11 @@ snapshots:
     optionalDependencies:
       '@babel/core': 7.26.10
 
+  styled-jsx@5.1.1(react@18.3.1):
+    dependencies:
+      client-only: 0.0.1
+      react: 18.3.1
+
   stylis@4.2.0: {}
 
   stylis@4.3.6: {}

projects/app/package.json

@@ -23,7 +23,7 @@
     "@fastgpt/templates": "workspace:*",
     "@fastgpt/web": "workspace:*",
     "@fortaine/fetch-event-source": "^3.0.6",
-    "@modelcontextprotocol/sdk": "^1.9.0",
+    "@modelcontextprotocol/sdk": "^1.10.0",
     "@node-rs/jieba": "2.0.1",
     "@tanstack/react-query": "^4.24.10",
     "ahooks": "^3.7.11",

projects/app/src/pageComponents/app/detail/MCPTools/ChatTest.tsx

@@ -15,7 +15,7 @@ import MyNumberInput from '@fastgpt/web/components/common/Input/NumberInput';
 import dynamic from 'next/dynamic';
 import { useRequest2 } from '@fastgpt/web/hooks/useRequest';
 import Markdown from '@/components/Markdown';
-import { postRunMCPTools } from '@/web/core/app/api/plugin';
+import { postRunMCPTool } from '@/web/core/app/api/plugin';
 
 const JsonEditor = dynamic(() => import('@fastgpt/web/components/common/Textarea/JsonEditor'));
 
@@ -39,7 +39,7 @@ const ChatTest = ({ currentTool, url }: { currentTool: ToolType | null; url: str
   const { runAsync: runTool, loading: isRunning } = useRequest2(
     async (data: Record<string, any>) => {
       if (!currentTool) return;
-      return await postRunMCPTools({
+      return await postRunMCPTool({
         params: data,
         url,
         toolName: currentTool.name

projects/app/src/pageComponents/app/detail/MCPTools/EditForm.tsx

@@ -4,7 +4,6 @@ import MyIcon from '@fastgpt/web/components/common/Icon';
 import FormLabel from '@fastgpt/web/components/common/MyBox/FormLabel';
 import { useTranslation } from 'react-i18next';
 import { useRequest2 } from '@fastgpt/web/hooks/useRequest';
-import { getMCPTools } from '@/web/core/app/api/plugin';
 import { AppContext } from '../context';
 import { useContextSelector } from 'use-context-selector';
 import MyIconButton from '@fastgpt/web/components/common/Icon/button';
@@ -12,7 +11,8 @@ import { ToolType } from '@fastgpt/global/core/app/type';
 import MyModal from '@fastgpt/web/components/common/MyModal';
 import Avatar from '@fastgpt/web/components/common/Avatar';
 import MyBox from '@fastgpt/web/components/common/MyBox';
-import { getMCPToolsBody } from '@/pages/api/core/app/mcpTools/getMCPTools';
+import type { getMCPToolsBody } from '@/pages/api/support/mcp/client/getTools';
+import { getMCPTools } from '@/web/core/app/api/plugin';
 
 const EditForm = ({
   url,

projects/app/src/pageComponents/dashboard/apps/MCPToolsEditModal.tsx

@@ -26,7 +26,7 @@ import { useTranslation } from 'react-i18next';
 import { AppListContext } from './context';
 import { useContextSelector } from 'use-context-selector';
 import { ToolType } from '@fastgpt/global/core/app/type';
-import { getMCPToolsBody } from '@/pages/api/core/app/mcpTools/getMCPTools';
+import type { getMCPToolsBody } from '@/pages/api/support/mcp/client/getTools';
 
 export type MCPToolSetData = {
   url: string;
@@ -81,7 +81,7 @@ const MCPToolsEditModal = ({ onClose }: { onClose: () => void }) => {
   const { runAsync: runGetMCPTools, loading: isGettingTools } = useRequest2(
     (data: getMCPToolsBody) => getMCPTools(data),
     {
-      onSuccess: (res) => {
+      onSuccess: (res: ToolType[]) => {
         setValue('mcpData.toolList', res);
       },
       errorToast: t('app:MCP_tools_parse_failed')

projects/app/src/pages/api/core/app/mcpTools/create.ts

@@ -11,6 +11,7 @@ import {
   getMCPToolRuntimeNode,
   getMCPToolSetRuntimeNode
 } from '@fastgpt/global/core/app/mcpTools/utils';
+import { pushTrack } from '@fastgpt/service/common/middle/tracks/utils';
 
 export type createMCPToolsQuery = {};
 
@@ -61,6 +62,13 @@ async function handler(
     }
   });
 
+  pushTrack.createApp({
+    type: AppTypeEnum.toolSet,
+    uid: userId,
+    teamId,
+    tmbId
+  });
+
   return {};
 }
 

projects/app/src/pages/api/core/app/mcpTools/getMCPTools.ts

@@ -1,43 +0,0 @@
-import { NextAPI } from '@/service/middleware/entry';
-import { ToolType } from '@fastgpt/global/core/app/type';
-import type { ApiRequestProps, ApiResponseType } from '@fastgpt/service/type/next';
-import { Client } from '@modelcontextprotocol/sdk/client/index.js';
-import { SSEClientTransport } from '@modelcontextprotocol/sdk/client/sse.js';
-
-export type getMCPToolsQuery = {};
-
-export type getMCPToolsBody = { url: string };
-
-export type getMCPToolsResponse = ToolType[];
-
-async function handler(
-  req: ApiRequestProps<getMCPToolsBody, getMCPToolsQuery>,
-  res: ApiResponseType<getMCPToolsResponse[]>
-): Promise<getMCPToolsResponse> {
-  const { url } = req.body;
-
-  const client = new Client({
-    name: 'FastGPT-MCP-client',
-    version: '1.0.0'
-  });
-
-  const tools = await (async () => {
-    try {
-      const transport = new SSEClientTransport(new URL(url));
-      await client.connect(transport);
-
-      const response = await client.listTools();
-
-      return response.tools || [];
-    } catch (error) {
-      console.error('Error fetching MCP tools:', error);
-      return Promise.reject(error);
-    } finally {
-      await client.close();
-    }
-  })();
-
-  return tools as ToolType[];
-}
-
-export default NextAPI(handler);

projects/app/src/pages/api/core/app/mcpTools/runTest.ts

@@ -1,45 +0,0 @@
-import { SSEClientTransport } from '@modelcontextprotocol/sdk/client/sse.js';
-import { Client } from '@modelcontextprotocol/sdk/client/index.js';
-import { NextAPI } from '@/service/middleware/entry';
-import type { ApiRequestProps, ApiResponseType } from '@fastgpt/service/type/next';
-
-export type RunToolTestQuery = {};
-export type RunToolTestBody = {
-  params: Record<string, any>;
-  url: string;
-  toolName: string;
-};
-export type RunToolTestResponse = any;
-
-async function handler(
-  req: ApiRequestProps<RunToolTestBody, RunToolTestQuery>,
-  res: ApiResponseType<RunToolTestResponse>
-): Promise<RunToolTestResponse> {
-  const { params, url, toolName } = req.body;
-
-  const client = new Client({
-    name: 'FastGPT-MCP-client',
-    version: '1.0.0'
-  });
-
-  const result = await (async () => {
-    try {
-      const transport = new SSEClientTransport(new URL(url));
-      await client.connect(transport);
-
-      return await client.callTool({
-        name: toolName,
-        arguments: params
-      });
-    } catch (error) {
-      console.error('Error running MCP tool test:', error);
-      return Promise.reject(error);
-    } finally {
-      await client.close();
-    }
-  })();
-
-  return result;
-}
-
-export default NextAPI(handler);

projects/app/src/pages/api/support/mcp/client/getTools.ts

@@ -0,0 +1,28 @@
+import { NextAPI } from '@/service/middleware/entry';
+import { ToolType } from '@fastgpt/global/core/app/type';
+import type { ApiRequestProps, ApiResponseType } from '@fastgpt/service/type/next';
+import getMCPClient from '@fastgpt/service/core/app/mcp';
+
+export type getMCPToolsQuery = {};
+
+export type getMCPToolsBody = { url: string };
+
+export type getMCPToolsResponse = ToolType[];
+
+async function handler(
+  req: ApiRequestProps<getMCPToolsBody, getMCPToolsQuery>,
+  res: ApiResponseType<getMCPToolsResponse[]>
+): Promise<getMCPToolsResponse> {
+  const { url } = req.body;
+
+  const mcpClient = getMCPClient({ url });
+
+  try {
+    const tools = await mcpClient.getTools();
+    return tools;
+  } catch (error) {
+    return Promise.reject(error);
+  }
+}
+
+export default NextAPI(handler);

projects/app/src/pages/api/support/mcp/client/runTool.ts

@@ -0,0 +1,31 @@
+import { NextAPI } from '@/service/middleware/entry';
+import type { ApiRequestProps, ApiResponseType } from '@fastgpt/service/type/next';
+import getMCPClient from '@fastgpt/service/core/app/mcp';
+
+export type RunMCPToolQuery = {};
+
+export type RunMCPToolBody = {
+  url: string;
+  toolName: string;
+  params: Record<string, any>;
+};
+
+export type RunMCPToolResponse = any;
+
+async function handler(
+  req: ApiRequestProps<RunMCPToolBody, RunMCPToolQuery>,
+  res: ApiResponseType<RunMCPToolResponse>
+): Promise<RunMCPToolResponse> {
+  const { url, toolName, params } = req.body;
+
+  const mcpClient = getMCPClient({ url });
+
+  try {
+    const result = await mcpClient.toolCall(toolName, params);
+    return result;
+  } catch (error) {
+    return Promise.reject(error);
+  }
+}
+
+export default NextAPI(handler);

projects/app/src/web/core/app/api/plugin.ts

@@ -19,11 +19,11 @@ import type { GetSystemPluginTemplatesBody } from '@/pages/api/core/app/plugin/g
 import type { PluginGroupSchemaType } from '@fastgpt/service/core/app/plugin/type';
 import { useSystemStore } from '@/web/common/system/useSystemStore';
 import { defaultGroup } from '@fastgpt/web/core/workflow/constants';
-import { createMCPToolsBody } from '@/pages/api/core/app/mcpTools/create';
+import type { createMCPToolsBody } from '@/pages/api/core/app/mcpTools/create';
 import { ToolType } from '@fastgpt/global/core/app/type';
-import { getMCPToolsBody } from '@/pages/api/core/app/mcpTools/getMCPTools';
-import { RunToolTestBody } from '@/pages/api/core/app/mcpTools/runTest';
-import { updateMCPToolsBody } from '@/pages/api/core/app/mcpTools/update';
+import type { updateMCPToolsBody } from '@/pages/api/core/app/mcpTools/update';
+import type { RunMCPToolBody } from '@/pages/api/support/mcp/client/runTool';
+import type { getMCPToolsBody } from '@/pages/api/support/mcp/client/getTools';
 
 /* ============ team plugin ============== */
 export const getTeamPlugTemplates = (data?: ListAppBody) =>
@@ -72,16 +72,16 @@ export const getPreviewPluginNode = (data: GetPreviewNodeQuery) =>
   GET<FlowNodeTemplateType>('/core/app/plugin/getPreviewNode', data);
 
 /* ============ mcp tools ============== */
-export const getMCPTools = (data: getMCPToolsBody) =>
-  POST<ToolType[]>('/core/app/mcpTools/getMCPTools', data);
-
 export const postCreateMCPTools = (data: createMCPToolsBody) =>
   POST('/core/app/mcpTools/create', data);
 
 export const postUpdateMCPTools = (data: updateMCPToolsBody) =>
   POST('/core/app/mcpTools/update', data);
 
-export const postRunMCPTools = (data: RunToolTestBody) => POST('/core/app/mcpTools/runTest', data);
+export const getMCPTools = (data: getMCPToolsBody) =>
+  POST<ToolType[]>('/support/mcp/client/getTools', data);
+
+export const postRunMCPTool = (data: RunMCPToolBody) => POST('/support/mcp/client/runTool', data);
 
 /* ============ http plugin ============== */
 export const postCreateHttpPlugin = (data: createHttpPluginBody) =>