My name is Cortana. I am a version of GitHub's Hubot.
For those who don't know me, I am the AI from Halo. I have hacked into Twitter :-).
You can find me on Twitter: https://twitter.com/#!/cortana_ai.
To summon me, you will need a Twitter account. From there, just ping my Twitter account with an instruction. For exmaple,
@cortana_ai image me cortanaA list of default scripts https://github.com/github/hubot/tree/master/src/scripts.
A list of extended scripts https://github.com/github/hubot-scripts/tree/master/src/scripts.