Discover devices and rules in a group using MQTT topic filter. When asked status of a group, provide the device GROUP as the argument. If no group is provided, discover all devices and rules in the domain.

Publish a message to a device using MQTT topic and payload. When asked to control a device, you should use this tool with the topic argument discovered from the "discover" tool. For example, a device might describe itself subscribing to a topic livingroom/456/command, then this is the topic to be used to control the device.

When asked status of a device, provide the device TOPIC as the argument. The topic can be found in previous messages from the "discover" tool. For example, a device might describe itself publishing its status to a topic livingroom/456/status, then this is the topic to be used to query the status of the device.