This is a collection of MQTT utilities.

mwatch is a handy utility to monitor MQTT activity.
mprune is a utility to prune the MQTT topic tree.  Removing retained topics.
mdash is a utility to monitor the stats in an MQTT broker ($SYS/# topics)
mpanel is a utility to monitor the status of clients in an MQTT broker.  (Note: this utility depends on a standardized set of topics published from each client.)