Your first Amazon Alexa skill: Hello World. Running on chatskills.

index.js

var chatskills = require('chatskills');
var readlineSync = require('readline-sync');

// Create a skill.
var hello = chatskills.app('hello');

// Launch method to run at startup. 
hello.launch(function(req,res) {
    res.say("Ask me to say hi!");
 
    // Keep session open. 
    res.shouldEndSession(false);
});

// Create an intent.
hello.intent('hello', {
    'slots': {},
    'utterances': [ '{to |}{say|speak|tell me} {hi|hello|howdy|hi there|hiya|hi ya|hey|hay|heya}' ]
    },
    function(req, res) {
        res.say('Hello, World!');
        res.shouldEndSession(false);
    }
);

// Start running our skill. 
chatskills.launch(hello);

// Console client. 
var text = ' ';
while (text.length > 0 && text != 'quit') {
    text = readlineSync.question('> ');
 
    // Respond to input. 
    chatskills.respond(text, function(response) {
        console.log(response);
    });
}

package.json

{
  "name": "hello",
  "version": "0.0.1",
  "main": "index.js",
  "dependencies": {
    "chatskills": "*",
    "readline-sync": "*"
  }
}