MQTTX Desktop
An elegant cross-platform MQTT 5.0 desktop client.
AIBuilt-in MQTTX Agent that operates the app for you.
Your All-in-One
MQTT Client Toolbox
MQTTX is an MQTT 5.0 client toolbox for desktop, CLI and WebSocket.
MQTTX CLI
A powerful and easy-to-use MQTT 5.0 command line tool.
AIShips with an Agent Skill that most AI coding agents can use.Learn More❯
Why MQTTX
MQTTX makes developing and testing MQTT applications faster and easier.
All-in-One
Offers three convenient versions - Desktop, CLI, and Web - designed to adapt to your preferred work environment, with cross-platform compatibility (macOS, Linux, Windows).
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Rich Developer Features
Alongside basic MQTT operations, MQTTX supports Scripts, Benchmarks, IoT Data Simulation, and the AI-powered MQTTX Agent.
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MQTT Compatibility
MQTTX is 100% compliant with MQTT 5.0, 3.1.1, and 3.1. We consistently keep up with the latest MQTT standards, ensuring testing features fully meet and comply with the protocol's requirements.
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AI Agent Ready
MQTTX CLI ships with an Agent Skill that most AI coding agents can use, and MQTTX Desktop has MQTTX Agent built in, which operates the app from plain-language requests.
Better Together with EMQX
Deploy EMQX in the cloud or on your own infrastructure.
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EMQX Cloud
Build MQTT data pipelines in minutes and connect millions of devices as you scale.
- Massive-scale MQTT messaging with ultra-low latency
- Connect, process, store, and analyze IoT data in real time
- Available globally with enterprise-grade high availability
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EMQX Enterprise
Deploy EMQX on your own servers with full control.
- Flexible deployment: VMs, containers, Kubernetes
- Works in private, hybrid, and public clouds
- AWS/GCP/Azure marketplace options
Built in the Open
MQTTX is open source. Star it on GitHub, chat with us on Discord, and follow EMQ on X for updates.
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Get Started
Use MQTTX on desktop, in your terminal or in the browser.
curl -fsSL https://emqx.sh/mqttx | sh