MCP Agent TypeScript Port

import { dirname, resolve } from 'path'; import { readdirSync, statSync } from 'fs'; export default function (start, callback) { let dir = resolve('.', start); let tmp, stats = statSync(dir); if (!stats.isDirectory()) { dir = dirname(dir); } while (true) { tmp = callback(dir, readdirSync(dir)); if (tmp) return resolve(dir, tmp); dir = dirname(tmp = dir); if (tmp === dir) break; } }