MCP Cloudflare DNS Server

#!/usr/bin/env node import open from "open"; import { resolve, dirname } from "path"; import { spawnPromise } from "spawn-rx"; import { fileURLToPath } from "url"; const __dirname = dirname(fileURLToPath(import.meta.url)); function delay(ms) { return new Promise((resolve) => setTimeout(resolve, ms, true)); } async function main() { // Parse command line arguments const args = process.argv.slice(2); const envVars = {}; const mcpServerArgs = []; let command = null; let parsingFlags = true; for (let i = 0; i < args.length; i++) { const arg = args[i]; if (parsingFlags && arg === "--") { parsingFlags = false; continue; } if (parsingFlags && arg === "-e" && i + 1 < args.length) { const envVar = args[++i]; const equalsIndex = envVar.indexOf("="); if (equalsIndex !== -1) { const key = envVar.substring(0, equalsIndex); const value = envVar.substring(equalsIndex + 1); envVars[key] = value; } else { envVars[envVar] = ""; } } else if (!command) { command = arg; } else { mcpServerArgs.push(arg); } } const inspectorServerPath = resolve( __dirname, "../..", "server", "build", "index.js", ); // Path to the client entry point const inspectorClientPath = resolve( __dirname, "../..", "client", "bin", "client.js", ); const CLIENT_PORT = process.env.CLIENT_PORT ?? "6274"; const SERVER_PORT = process.env.SERVER_PORT ?? "6277"; console.log("Starting MCP inspector..."); const abort = new AbortController(); let cancelled = false; process.on("SIGINT", () => { cancelled = true; abort.abort(); }); let server, serverOk; try { server = spawnPromise( "node", [ inspectorServerPath, ...(command ? [`--env`, command] : []), ...(mcpServerArgs ? [`--args=${mcpServerArgs.join(" ")}`] : []), ], { env: { ...process.env, PORT: SERVER_PORT, MCP_ENV_VARS: JSON.stringify(envVars), }, signal: abort.signal, echoOutput: true, }, ); // Make sure server started before starting client serverOk = await Promise.race([server, delay(2 * 1000)]); } catch (error) {} if (serverOk) { try { // Only auto-open when auth is disabled const authDisabled = !!process.env.DANGEROUSLY_OMIT_AUTH; if (process.env.MCP_AUTO_OPEN_ENABLED !== "false" && authDisabled) { open(`http://127.0.0.1:${CLIENT_PORT}`); } await spawnPromise("node", [inspectorClientPath], { env: { ...process.env, PORT: CLIENT_PORT }, signal: abort.signal, echoOutput: true, }); } catch (e) { if (!cancelled || process.env.DEBUG) throw e; } } return 0; } main() .then((_) => process.exit(0)) .catch((e) => { console.error(e); process.exit(1); });