I'd prefer opt-in, and a nice directory of robots you could essentially subscribe to. I did a little thinking about this a while ago when the Gunio robot was an

I'd prefer opt-in, and a nice directory of robots you could essentially subscribe to. I did a little thinking about this a while ago when the Gunio robot was annoying some people about whitespace: https://github.com/hartez/vcs-robots https://github.com/hartez/vcs-robots