Pick non-conflicting default client port

client/bin/cli.js

@@ -12,7 +12,7 @@ const server = http.createServer((request, response) => {
   return handler(request, response, { public: distPath });
 });
 
-const port = process.env.PORT || 3000;
+const port = process.env.PORT || 5173;
 server.listen(port, () => {
   console.log(`MCP inspector client running at http://localhost:${port}`);
 });