WeMQTT is a native macOS MQTT client PUBLISH • Save publish topics with QoS, retain, and payload formats • Expand topic templates for batch publish • Link subscriptions SUBSCRIBE • Live message bubbles with search, multi-select, clear, and delete • Copy topics and payloads; export messages to JSON or CSV • Clone subscriptions for faster setup AUTOMATION • Schedule publishes or react to incoming messages • Keep soak tests and demos running without babysitting the client