Tutorial: building a JSON REST API server with Node.js and MongoDB using Mongoskin and Express.js utilizing Mocha and Super Agent for BDD/TDD. Update3: Expess 4 version of this tutorial is available at Express.js 4, Node.js and MongoDB REST API Tutorial, and github.com/azat-co/rest-api-express (master branch). This tutorial will work with Express 3.x. Update2: “Mongoskin removed ‘db.collection.id’