MQTTProbe

The MQTT diagnostic tool built for IIoT.

Connect to any broker, browse live topics, inspect payloads, chart JSON metrics. Native Sparkplug B decode and EoN emulation. Open source, no cloud required.

Highlights

• Live topic tree
• Payload browser (JSON, MessagePack, binary)
• Sparkplug B decode and EoN dashboard
• Node and MQTT emulator
• Live charts from payload fields
• Multi-connection, TLS/MQTTS, WebSocket
• Plugins (payload formats, protobuf schemas)
• Runs local: desktop, Android, Docker, web

Get MQTTProbe

Platform	Artifact	Notes
Windows	MQTTProbe-win-Setup.exe	Per-user, auto-update. SmartScreen: More info, Run anyway
macOS	MQTTProbe-osx-Setup.pkg	Signed and notarized, auto-update, installs to Applications
Linux	MQTTProbe.AppImage	chmod +x and run. Needs libwebkit2gtk-4.1; libfuse2 on Ubuntu 22.04+
Android	APK on latest release	mqttprobe-android-*.apk; sideload, allow unknown apps if prompted
Docker	bluegrassiot/mqttprobe (compose)	See Docker section
iOS	--	Not available yet

Portable zips and web self-host builds are on the latest release page.

Docker

git clone https://github.com/bluegrassiot/mqttprobe
cd mqttprobe
docker compose up -d

Open http://localhost:8080. On first launch, create your admin password.

Config persists in a Docker volume across restarts. For LAN access, TLS, reverse proxy, and plugin storage details, see the Docker Deployment wiki.

After install

1. Create your admin password on first launch
2. Add a broker connection
3. Subscribe to topics and browse

See Getting Started and Connection Setup.

Docs

• Home
• Getting Started
• Connection Setup
• Sparkplug B Decode
• Emulation
• Docker Deployment
• Troubleshooting
• Development

Website: https://mqttprobe.com

Contributing

See CONTRIBUTING.md for guidelines on getting started, code style, and the CI pipeline.

License

Apache License 2.0. See LICENSE.

Third-party components and their licenses are documented in NOTICES.