# MQTTX

> MQTTX is a cross-platform MQTT 5.0 client toolbox by EMQ: a desktop app (Electron), a command-line tool, and a web client, plus an AI Agent Skill that lets coding agents drive the MQTTX CLI for pub/sub testing and benchmarking.

## Products

- [MQTTX Desktop](https://mqttx.app/): Cross-platform MQTT 5.0 desktop client with a chat-like interface for connection testing, publishing, and subscribing.
- [MQTTX CLI](https://mqttx.app/cli): Command-line MQTT client supporting MQTT/TCP, TLS, WebSocket, pub/sub, and connection benchmarking.
- [MQTTX Web](https://mqttx.app/web): Browser-based MQTT client, no installation required.
- [Downloads](https://mqttx.app/downloads): All release downloads for macOS, Windows, and Linux.

## Documentation

- [MQTTX Docs](https://mqttx.app/docs): Documentation home.
- [MQTTX CLI Get Started](https://mqttx.app/docs/cli/get-started): Installation and first commands for the CLI.
- [MQTTX AI Agent Skill](https://mqttx.app/docs/cli/agent-skill): Install and use the mqttx-cli Agent Skill so AI coding agents (Claude Code, Cursor, etc.) can run MQTT operations autonomously.
- [MQTTX Web Docs](https://mqttx.app/docs/web): Documentation for the web client.
- [FAQ](https://mqttx.app/docs/faq): Frequently asked questions.
- [Troubleshooting](https://mqttx.app/docs/troubleshooting): Common issues and fixes.

## Resources

- [Features](https://mqttx.app/features): Full feature overview.
- [Blog](https://mqttx.app/blog): MQTT tutorials, protocol guides, and product news.
- [Changelogs](https://mqttx.app/changelogs): Release notes by version.
- [GitHub](https://github.com/emqx/MQTTX): Source code, issues, and CLI releases.

## Optional

- [Chinese docs](https://mqttx.app/zh/docs)
- [Japanese docs](https://mqttx.app/ja/docs)