I will publish this as a Flow once I'm happy that it is a bit more complete. However, as some have expressed an interest ... A thread was raised on the forum recently about being able to track who/what updated an MQTT topic. It was suggested that MQTT v5 userProperties would be good for this. Howev…

Great! Thank you! [Screenshot 2023-10-06 alle 16.25.38]

🕸️ MQTT v5 Viewer - View a range of topics with values and extended MQTT v5 data - Page 2 - Share Your Projects

Topic		Replies	Views	Activity
Node-RED version of MQTT Explorer Share Your Projects mqtt , uibuilder	33	1076	15 December 2025
Proof of concept for a replacement for MQTT Explorer Share Your Projects mqtt , uibuilder	24	1750	9 March 2022
MQTT Explorer v0.2.0 - MQTT swiss-army-knife General	53	5280	21 June 2019
Is there an easy way to enumerate MQTT publishing devices Dashboard node-red-dashboard	26	662	3 November 2022
[Fun Exercise]Make an MQTT broker in Node-RED General	62	1424	3 November 2023

Node-RED version of MQTT Explorer

mqtt , uibuilder

33

1076

15 December 2025

Proof of concept for a replacement for MQTT Explorer

mqtt , uibuilder

24

1750

9 March 2022

MQTT Explorer v0.2.0 - MQTT swiss-army-knife

53

5280

21 June 2019

Is there an easy way to enumerate MQTT publishing devices

node-red-dashboard

26

662

3 November 2022

[Fun Exercise]Make an MQTT broker in Node-RED

62

1424

3 November 2023