A command line Trello client.
Before first use, you will need to obtain your Trello public key from https://trello.com/1/appKey/generate (link). You will also need to generate a Trello api token by visiting https://trello.com/1/connect?key=<PUBLIC_KEY>&name=trel&response_type=token&expiration=never&scope=read,write, replacing <PUBLIC_KEY> with your public key obtained previously.
Next set the environment variables TRELLO_DEVELOPER_PUBLIC_KEY and TRELLO_MEMBER_TOKEN to the public key and api token respectively.