mqttui ☆

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Description:
Subscribe to a MQTT Topic or publish something quickly from the terminal

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: mqtt iot terminal networking debugging

Install: brew install mqttui

About:
Mqttui is a lightweight, terminal-based user interface for MQTT clients. It allows users to interactively subscribe to topics, view incoming messages in real-time, and publish messages directly from the command line. The tool is designed for quick debugging and monitoring of MQTT brokers without the need for heavy GUI applications.

Key Features:

Interactive terminal UI for browsing topics and messages
Support for both subscribing and publishing to MQTT topics
Lightweight and fast, written in Rust
Keyboard-driven interface for efficient navigation

Use Cases:

Debugging IoT device communication in real-time
Monitoring MQTT broker traffic from the terminal
Quickly publishing test messages to trigger device actions

Alternatives:

mosquitto_pub/mosquitto_sub – Standard CLI tools that are script-friendly but lack an interactive UI.
MQTT Explorer – A comprehensive GUI tool that offers a visual overview but requires a desktop environment.

Version History

Detected	Version	Rev	Change	Commit
Sep 16, 2025 3:39am		0	VERSION_BUMP	49168400
Sep 14, 2024 8:18am		0	VERSION_BUMP	804541e3