MQTT automatic_add, sensor names from topic

Would it be possible to make the following enhancements to the MQTT platform?

Automatic discovery of new sensors (topics, or subtopics, e.g. “/hass/#”)

Use the MQTT topic for the sensor name rather than the default “MQTT Sensor”. The topic “/hass/outside/temperature” can thus become “sensor.hass_outside_temperature”

Take a look at mqtt discovery