eclipse-paho/paho.mqtt.embedded-c

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

1539 stars · 792 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

The Eclipse Paho MQTT C/C++ client library for embedded platforms, offering low-level MQTT packet serialization plus higher-level C and C++ client APIs. It is designed for resource-constrained devices with pluggable networking and ports for Linux, Arduino, and ARM mbed.

Use cases

• connect an embedded device to an MQTT broker
• publish and subscribe to MQTT topics from a microcontroller
• serialize and deserialize MQTT packets in C
• add MQTT support to an Arduino or mbed project
• implement a lightweight IoT messaging client without a full OS
• port an MQTT client to a custom network stack

When to choose

• you need MQTT on resource-constrained embedded hardware
• you want a minimal C or C++ client with pluggable networking
• you only need packet-level serialization and control over the transport yourself

When to avoid

• you need a full-featured MQTT client on desktop or server platforms (use paho.mqtt.c or paho.mqtt.python)
• you need MQTT 5 features or async APIs out of the box
• you want a managed runtime with automatic reconnect and TLS handled for you

Facets

library · maturity maintenance

serialization networking sdk iot embedded-systems developer-tools embedded c cpp cross-platform mqtt mqtt-client paho iot-protocols messaging-protocol arduino mbed lightweight messaging linux

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