Publish, subscribe and test MQTT 3.1.1 over TCP (1883) or TLS (8883) without installing anything else. Works on Windows PowerShell 5.1 and PowerShell 7+. The public broker is anonymous: anything you publish can be read by anyone, so use a random topic prefix. For production, create a private broker at https://connectmq.com. The same functions are a... More info

Dependency-free MQTT client for the free ConnectMQ public broker (broker.connectmq.com). Publish, subscribe and test MQTT over TCP (1883) or TLS (8883) straight from PowerShell 5.1 and 7+. No account needed; works with private ConnectMQ brokers too (https://connectmq.com).