remote-ssh-mcp

import { connect } from 'net'; export function checkPort(host: string, port: number, timeout = 5000): Promise<{ ok: boolean; error?: string }> { return new Promise((resolve) => { const socket = connect({ host, port, timeout }); socket.on('connect', () => { socket.destroy(); resolve({ ok: true }); }); socket.on('timeout', () => { socket.destroy(); resolve({ ok: false, error: 'Connection timeout' }); }); socket.on('error', (err: any) => { socket.destroy(); resolve({ ok: false, error: err.code === 'ECONNREFUSED' ? 'Connection refused' : err.message }); }); }); }