[Showcase] I built MQTT Antena: A lightweight, open-source tool for monitoring and developing MQTT payloads

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Hey everyone!

I wanted to share a tool I’ve been working on called MQTT Antena. I built it because I needed a more streamlined way to visualize and test payloads during the development process.

It’s completely open-source and designed to be lightweight. Whether you’re debugging sensor data or testing a new automation logic, it helps you keep an eye on your broker’s traffic without the bloat.

Key Features:

  • Real-time Monitoring: Easily track and inspect incoming payloads.

  • Dev-Friendly: Built specifically to speed up the development of new MQTT-based integrations.

  • Docker Ready: You can spin it up instantly as a container.

  • Open Source: Feel free to poke around the code, use it, or contribute!

  • Docs: 📡 MQTT Antena | A tool to help develop, test & monitor MQTT messages

I’d love to hear your thoughts or any features you think would be a great addition. Hope this helps some of you with your IoT projects!

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My thought is I’m already using this…
MQTT-Explorer
If you have Add-ons available, GitHub - GollumDom/addon-repository.

Why is yours better?

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Hi @Sir_Goodenough thanks for checking out and sorry for the belated response, I was taking some time off.
Originally I developed it to be used as a self hosted container, but now I created a HASS Addon as well.
I used MQTT Explorer as desktop application and liked it very much, but I wanted a simpler container application where I could see the messages without opening the message structures every time, so that is why I developed my own opinionated application. The HASS Addon can be found here: GitHub - fbossolan/mqtt-antena-hass-addon: MQTT Antena addon for Home Assistant