I currently know how to do the following things:
@discobot 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.
@discobot roll 2d6
3, 6
@discobot quote
So is cheerfulness, or a good temper, the more it is spent, the more remains. — Ralph Emerson
@discobot fortune
You may rely on it