• Standalone
• Embedded in another Node.js application

• MQTT 3.1 and 3.1.1 compliant.
• QoS 0 and QoS 1.
• Various storage options for QoS 1 offline packets, and subscriptions.
• Usable inside ANY other Node.js app.
• version 2.0.0+ targets node v6, v4 and v0.12
• version 1.0.0+ targets node v6, v5, v4 and v0.12, with partial support for node v0.10.

npm install mosca pino -g
mosca -v | pino

npm install mosca --save

Show me some code:

var mosca = require('mosca');

var ascoltatore = {
  //using ascoltatore
  type: 'mongo',
  url: 'mongodb://localhost:27017/mqtt',
  pubsubCollection: 'ascoltatori',
  mongo: {}
};

var settings = {
  port: 1883,
  backend: ascoltatore
};

var server = new mosca.Server(settings);

server.on('clientConnected', function(client) {
    console.log('client connected', client.id);
});

// fired when a message is received
server.on('published', function(packet, client) {
  console.log('Published', packet.payload);
});

server.on('ready', setup);

// fired when the mqtt server is ready
function setup() {
  console.log('Mosca server is up and running');
}

All the info to get you started is gathered in this wiki page

Also there is an example using Redis

All to be found on our repository wiki section.

OR

read the dox generated documentation.

See the slides of my talk "MQTT and Node.js - Messaging in the Internet of Things".

You can find a test version of mosca at test.mosca.io. You can use ws://test.mosca.io/ to connect to the WebSocket tunnel. This is powered by the docker image.

If you find Mosca useful, consider supporting the project by buying a support package from me by writing an email to hello@matteocollina.com.

Check out our showcase wiki page! Feel free to add yourself! :)

Mosca sits between your system and the devices: this is a tough role, and we did our best to secure your systems. However, you might find a security issue: in that case, email @mcollina at hello@matteocollina.com.

Use the issue tracker for bugs. Tweet us for any idea that can improve the project. Chat with us on Mosca's room on Gitter.

• GIT Repository
• Mosca Documentation
• Ascoltatori
• MQTT protocol
• MQTT.js

Matteo Collina

Sam Beck