@whoisxmlapidotcom/mcp-whoisxmlapi/bin/mcp-whoisxmlapi.js

The official WhoisXML API MCP server: 32 first-party tools for WHOIS, DNS, IP geolocation, threat intel, typosquatting, email verification, and native bulk — in Claude, Cursor, VS Code, or any MCP client.

#!/usr/bin/env node

import { spawn } from "node:child_process";
import { existsSync } from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const PLATFORM_TARGETS = [
  { platform: "darwin", arch: "x64", key: "darwin-x64" },
  { platform: "darwin", arch: "arm64", key: "darwin-arm64" },
  { platform: "linux", arch: "x64", key: "linux-x64" },
  { platform: "linux", arch: "arm64", key: "linux-arm64" },
  { platform: "linux", arch: "arm", key: "linux-arm" },
  { platform: "win32", arch: "x64", key: "win32-x64" },
  { platform: "win32", arch: "arm64", key: "win32-arm64" }
];

const current = PLATFORM_TARGETS.find(
  (target) => target.platform === process.platform && target.arch === process.arch
);

if (!current) {
  throw new Error(`Unsupported platform combination: ${process.platform}/${process.arch}`);
}

const binaryName = process.platform === "win32" ? "mcp-whoisxmlapi.exe" : "mcp-whoisxmlapi";
const vendorRoot = path.join(__dirname, "..", "vendor", current.key);
const binaryPath = path.join(vendorRoot, binaryName);

if (!existsSync(binaryPath)) {
  throw new Error(
    `mcp-whoisxmlapi binary not found for ${current.key}. ` +
      "Please reinstall the package or open an issue on GitHub."
  );
}

const child = spawn(binaryPath, process.argv.slice(2), {
  stdio: "inherit",
  env: process.env
});

child.on("error", (err) => {
  console.error(err);
  process.exit(1);
});

child.on("exit", (code, signal) => {
  if (signal) {
    process.kill(process.pid, signal);
    return;
  }
  process.exit(code ?? 1);
});