feat(MCPService): enhance PATH management with platform-specific directories

src/main/services/MCPService.ts

@@ -1,6 +1,7 @@
 import os from 'node:os'
 import path from 'node:path'
 
+import { isLinux, isMac, isWin } from '@main/constant'
 import { getBinaryName, getBinaryPath } from '@main/utils/process'
 import { Client } from '@modelcontextprotocol/sdk/client/index.js'
 import { SSEClientTransport } from '@modelcontextprotocol/sdk/client/sse.js'
@@ -96,7 +97,10 @@ class McpService {
         transport = new StdioClientTransport({
           command: cmd,
           args,
-          env: server.env
+          env: {
+            PATH: this.getEnhancedPath(process.env.PATH || ''),
+            ...server.env
+          }
         })
       } else {
         throw new Error('Either baseUrl or command must be provided')
@@ -203,6 +207,63 @@ class McpService {
     const bunPath = path.join(dir, bunName)
     return { dir, uvPath, bunPath }
   }
+
+  /**
+   * Get enhanced PATH including common tool locations
+   */
+  private getEnhancedPath(originalPath: string): string {
+    // 将原始 PATH 按分隔符分割成数组
+    const pathSeparator = process.platform === 'win32' ? ';' : ':'
+    const existingPaths = new Set(originalPath.split(pathSeparator).filter(Boolean))
+    const homeDir = process.env.HOME || process.env.USERPROFILE || ''
+
+    // 定义要添加的新路径
+    const newPaths: string[] = []
+
+    if (isMac) {
+      newPaths.push(
+        '/bin',
+        '/usr/bin',
+        '/usr/local/bin',
+        '/usr/local/sbin',
+        '/opt/homebrew/bin',
+        '/opt/homebrew/sbin',
+        '/usr/local/opt/node/bin',
+        `${homeDir}/.nvm/current/bin`,
+        `${homeDir}/.npm-global/bin`,
+        `${homeDir}/.yarn/bin`,
+        `${homeDir}/.cargo/bin`,
+        '/opt/local/bin'
+      )
+    }
+
+    if (isLinux) {
+      newPaths.push(
+        '/bin',
+        '/usr/bin',
+        '/usr/local/bin',
+        `${homeDir}/.nvm/current/bin`,
+        `${homeDir}/.npm-global/bin`,
+        `${homeDir}/.yarn/bin`,
+        `${homeDir}/.cargo/bin`,
+        '/snap/bin'
+      )
+    }
+
+    if (isWin) {
+      newPaths.push(`${process.env.APPDATA}\\npm`, `${homeDir}\\AppData\\Local\\Yarn\\bin`, `${homeDir}\\.cargo\\bin`)
+    }
+
+    // 只添加不存在的路径
+    newPaths.forEach((path) => {
+      if (path && !existingPaths.has(path)) {
+        existingPaths.add(path)
+      }
+    })
+
+    // 转换回字符串
+    return Array.from(existingPaths).join(pathSeparator)
+  }
 }
 
 export default new McpService()