Mitm.js is a library for Node.js (and Io.js) to intercept and mock outgoing network TCP and HTTP connections. Mitm.js intercepts and gives you a Net.Socket to communicate as if you were the remote server. For HTTP requests it even gives you Http.IncomingMessage and Http.ServerResponse — just like you're used to when writing Node.js servers. Except there's no actual server running, it's all just In