Released version 0.8.0 of ha-mqtt-discoverable and version 0.2.0 of ha-mqtt-discoverable-cli today.
ha-mqtt-discoverable is a python module that allows python programs to create sensor and device entities on an mqtt server that will be automagically recognized by Home Assistant.
ha-mqtt-discoverable-cli installs command line scripts for device and sensor creation.
There is also a docker image, unixorn/ha-mqtt-discoverable-cli, that contains the command line tools.