trello

This is not generic or anything, you will need to drop in your own list ids to get things to work but it is a good example of how to interact with the trello api through alexa.

Adding cards to a list

https://github.com/martincalvert/Trello-Alexa-Skill/blob/master/trello.js#L86

Telling you how many cards are in a list

https://github.com/martincalvert/Trello-Alexa-Skill/blob/master/trello.js#L55