Voice Call MCP Server

import net from 'net'; export async function isPortInUse(port: number): Promise<boolean> { return new Promise((resolve) => { const server = net.createServer() .once('error', (err: NodeJS.ErrnoException) => { if (err.code === 'EADDRINUSE') { resolve(true); } else { resolve(false); } }) .once('listening', () => { server.close(); resolve(false); }) .listen(port); }); }