Just spent few hours playing with (Jim bot)[http://github.com/iownbey/jim]. Now it's retrieving information from Github repositories.
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req: ?git jquery
res: http://github.com/jquery/jquery - jQuery JavaScript Library
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req: ?git yajl @ Antaranian
res: Antaranian: http://github.com/brianmario/yajl-ruby - An extremely efficient streaming JSON parsing and encoding library. Ruby C bindings to Yajl