Source for the bot running at Effin Bot - a Slack Bot for Effin Birds quotes that I created because I liked the idea and was looking to create a Slack Bot.
This is done using Rails and OAuth. It contains a barebone working OAuth & CommandsControlle which may be used for other Rails based bots.
God willing, I'll make a blog post documenting the experience in the coming days - until then do whatever you want with it.
I did - check my blog post on Medium