fix: DeepWiki SSE is being deprecated. (#26)

* fix: Deepwiki SSE is being deprecated.

* chore: 更新版本号

* chore: prettier fix

Author: Alexzjt

__tests__/utils/deepwiki.test.ts

@@ -0,0 +1,26 @@
+import { describe, it, expect } from 'vitest';
+import { queryDeepWiki } from '../../src/utils/deepwiki';
+
+describe('DeepWiki Integration Test', () => {
+  it('should get real response from DeepWiki for G2 question', async () => {
+    // Set timeout to 120s as this is a real network request
+
+    try {
+      const result = await queryDeepWiki({
+        repoName: 'antvis/G2',
+        question: '如何调整折线图两端的间隔',
+      });
+
+      console.log('DeepWiki Answer:', result);
+
+      expect(result).toBeDefined();
+      expect(typeof result).toBe('string');
+      expect(result.length).toBeGreaterThan(10);
+      // Basic check to see if it returned something relevant or at least not an error string
+      expect(result).not.toMatch(/^Error/);
+    } catch (error) {
+      console.error('DeepWiki Query Failed:', error);
+      throw error;
+    }
+  }, 120000);
+});

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@antv/mcp-server-antv",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "description": "MCP Server for AntV visualization libraries development, which provides documentation context and examples for visualization developers.",
   "main": "build/index.js",
   "scripts": {

src/utils/deepwiki.ts

@@ -1,5 +1,5 @@
 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 EventSource from 'eventsource';
 import { logger } from './logger';
 import { AntVLibrary } from '../types';
@@ -18,7 +18,7 @@ if (!global.EventSource) {
 // 2. 单例状态管理
 // ---------------------------------------------------------
 let _client: Client | null = null;
-let _transport: SSEClientTransport | null = null;
+let _transport: StreamableHTTPClientTransport | null = null;
 let _connectingPromise: Promise<Client> | null = null;
 
 /**
@@ -27,7 +27,7 @@ let _connectingPromise: Promise<Client> | null = null;
  */
 async function getMcpClient(): Promise<Client> {
   // 如果客户端已存在且传输层看似正常，直接返回
-  // 注意：SSEClientTransport 目前没有直观的 isConnected 属性，
+  // 注意：StreamableHTTPClientTransport 目前没有直观的 isConnected 属性，
   // 这里的检查主要是防止对象为空。更严谨的做法是监听 transport 的 close 事件来重置 _client。
   if (_client && _transport) {
     return _client;
@@ -43,8 +43,8 @@ async function getMcpClient(): Promise<Client> {
     try {
       logger.info('DeepWiki MCP: 初始化连接...');
 
-      const transport = new SSEClientTransport(
-        new URL('https://mcp.deepwiki.com/sse'),
+      const transport = new StreamableHTTPClientTransport(
+        new URL('https://mcp.deepwiki.com/mcp'),
       );
 
       const client = new Client(
@@ -185,7 +185,7 @@ export async function closeDeepWikiConnection() {
   if (_transport) {
     logger.info('DeepWiki MCP: 关闭连接...');
     // SDK 目前可能没有直接暴露 close 方法，通常关闭 transport 即可
-    // SSEClientTransport 内部并没有显式的 close 方法暴露出来，
+    // StreamableHTTPClientTransport 内部并没有显式的 close 方法暴露出来，
     // 但我们可以将引用置空，让 GC 回收，或者依赖进程退出
     // 如果 SSEClientTransport 实现了 close，则调用:
     // await _transport.close();