As of 032686f we can use a custom made page, that shows basic info about the file that's being played at the moment, gather that info and show to our friends on various IM's.
So far vBm made tiny snippets that shows only basic info. Feel free to expand it.
All you have to do is enable the Web interface in options first and type /np on irc.
This is how it looks like:
« MPC-HC v22.214.171.12416 • Test file for MPC-HC • 00:00:46/00:09:01 • 99 MB »
Source code for the snippets is on GitHub. Feel free to submit pull requests there :)