You can now use Tasker -> System -> Send Intent action to start/stop features in RMPlugin as followed:
Start Alexa Bridge
Package: us.originally.tasker
Class: us.originally.tasker.upnp.AlexaService
Target: Service
Disable Alexa Bridge completely
Action: us.originally.rmplugin.DISABLE_ALEXA
Target: Service
Stop Alexa Bridge temporarily, it will be automatically restarted within 5 minutes
Action: us.originally.rmplugin.DISABLE_ALEXA
Target: Service
Start HTTP Bridge
Package: us.originally.tasker
Class: us.originally.tasker.upnp.WebServerService
Target: Service
Disable HTTP Bridge completely
Action: us.originally.rmplugin.DISABLE_HTTP_BRIDGE
Target: Service
Stop HTTP Bridge temporarily, it will be automatically restarted within 5 minutes
Action: us.originally.rmplugin.STOP_HTTP_BRIDGE
Target: Service
Disable MQTT Client completely
Action: us.originally.rmplugin.DISABLE_MQTT
Target: Service
Stop MQTT Client temporarily, it will be automatically restarted within 5 minutes
Action: us.originally.rmplugin.STOP_MQTT
Target: Service