# eclipse-paho/paho.mqtt.javascript

paho.mqtt.javascript

Repository: https://github.com/eclipse-paho/paho.mqtt.javascript
Canonical: https://ross.abutalabs.com/products/pahomqttjavascript
Language: JavaScript
License: NOASSERTION
License Family: other
Topics: mqtt
Last push: 2024-05-14T07:06:49+00:00

## Health v2 (maintenance only)
Score: 23/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 8, longevity 100
- inputs: {"age_days": 3913, "days_push": 841, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1184, forks 466 (observed 2026-08-28T04:03:54.663929+00:00)

## What it is
Eclipse Paho JavaScript client is a browser-based MQTT client library that connects to MQTT brokers over WebSockets. It is part of the Eclipse Paho project providing open-source implementations of standard messaging protocols for M2M and IoT applications.

## Use cases
- connect to an mqtt broker from the browser
- publish and subscribe to mqtt topics in a web app
- iot messaging from javascript
- real-time messaging over websockets
- machine-to-machine communication in the browser

## When to choose
- you need MQTT connectivity in a browser-based application
- you want a mature Eclipse-backed MQTT client for JavaScript
- your broker supports WebSocket connections

## When to avoid
- you need MQTT in a native Node.js backend with TCP connections
- you need a client with frequent updates and active development
- you need MQTT 5.0 features

## Facets
- artifact type: library
- maturity: maintenance
- function: websocket, message-queue, http-client
- domain: iot, web-development
- platform: browser
- tags: mqtt, iot-messaging, pubsub, websocket-client, messaging, nodejs, javascript

## Member repositories
- eclipse-paho/paho.mqtt.javascript (main) score 23

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:54.663929+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:24:18.670226+00:00, confidence not recorded.
  - readme: https://github.com/eclipse-paho/paho.mqtt.javascript (fetched 2026-08-28T04:03:54.663929+00:00, sha 9340cf68407d)
- Data as of 2026-08-30T08:39:29.467469+00:00.