var nforce = require('nforce');

var org = nforce.createConnection({
    clientId: 'CLIENT_ID',
    clientSecret: 'CLIENT_SECRET',
    redirectUri: 'https://localhost:3000/oauth/_callback',
    environment: 'production',
    mode: 'single'
});
var username      = 'USERNAME',
password      = 'PASSWORD',
securityToken = 'SECURITY_TOKEN',
oauth;

org.authenticate({ username: username, password: password, securityToken: securityToken },
function(err, resp){
    if(!err) {
        console.log('Access Token: ' + resp.access_token);
        oauth = resp;

        var acc = nforce.createSObject('Account');
        acc.set('Name', 'Spiffy Cleaners');
        acc.set('Phone', '800-555-2345');
        org.insert({sobject: acc}, function(err, resp){
            if(!err) console.log('It worked!');
        });
    } else {
        console.log('Error: ' + err.message);
    }

});