I currently know how to do the following things:

@wootybot start {name-of-tutorial}

Starts an interactive tutorial just for you, in a personal message. {name-of-tutorial} can be one of: tutorial, advanced tutorial.

@wootybot roll 2d6

:game_die: 3, 6

@wootybot quote

:left_speech_bubble: Nothing strengthens authority so much as silence. — Leonardo da Vinci

@wootybot fortune

:crystal_ball: You may rely on it