gistfile1.js

var express = require('express@1.0.0rc4');
var app = express.createServer();
var http = require('http');
var cradle = require('cradle@0.2.2');
var conn = new(cradle.Connection);
var db = conn.database('document_composer');



// Create a document
app.post('/documents', function(req, res) {
  console.log(req.headers['content-type']);
  console.log(req.body);
  res.send('test');
});


app.configure(function(){
    app.use(express.methodOverride());
    app.use(express.bodyDecoder());
    app.use(app.router);
    app.use(express.staticProvider(__dirname));
});

app.listen(3003);


// Output
application/x-www-form-urlencoded
undefined

app.post() (or the others) will cause the app.router middleware to be mounted. this allows for small sites to omit app.use(app.router), but in your case here you want app.configure() above your route