feat: proxy support

Author: phoval

package.json

@@ -33,7 +33,8 @@
   "dependencies": {
     "express": "^4.21.2",
     "open": "^10.1.0",
-    "strict-url-sanitise": "^0.0.1"
+    "strict-url-sanitise": "^0.0.1",
+    "undici": "^7.12.0"
   },
   "devDependencies": {
     "@modelcontextprotocol/sdk": "https://pkg.pr.new/geelen/typescript-sdk/@modelcontextprotocol/sdk@877f4bf",

pnpm-lock.yaml

@@ -14,6 +14,7 @@ import fs from 'fs'
 import { readFile, rm } from 'fs/promises'
 import path from 'path'
 import { version as MCP_REMOTE_VERSION } from '../../package.json'
+import { fetch, setGlobalDispatcher, RequestInit, EnvHttpProxyAgent } from 'undici';
 
 // Global type declaration for typescript
 declare global {
@@ -32,6 +33,9 @@ const pid = process.pid
 // Global debug flag
 export let DEBUG = false
 
+// Use env proxy
+setGlobalDispatcher(new EnvHttpProxyAgent());
+
 // Helper function for timestamp formatting
 function getTimestamp(): string {
   const now = new Date()