I was working on an Alexa skill for the Garadget today. I decided not to use it to open/close the garage by voice. Someone could be shouting to Alexa from outside the house and gain access to the garage.
Instead, I made a skill to get the current status of the garage door. So when I say "Alexa, ask garage status" she'll reply with "The garage door is closed" or "The garage door is open." It cannot be published because it relies on the Device ID and Access Token that can only be retrieved by using Chrome and looking through the network activities as you login.