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HBMQTT is an open source MQTT client and broker implementation.

Built on top of asyncio, Python's standard asynchronous I/O framework, HBMQTT provides a straightforward API based on coroutines, making it easy to write highly concurrent applications.


HBMQTT implements the full set of MQTT 3.1.1 protocol specifications and provides the following features:

  • Support QoS 0, QoS 1 and QoS 2 messages flow
  • Client auto-reconnection on network lost
  • Authentication through password file (more methods can be added through a plugin system)
  • Basic $SYS topics
  • TCP and websocket support
  • SSL support over TCP and websocket
  • Plugin system

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Documentation Status

Getting started

hbmqtt is available on Pypi and can installed simply using pip :

$ pip install hbmqtt

Documentation is available on Read the Docs.

Bug reports, patches and suggestions welcome! Just open an issue or join the gitter channel.

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