This is the bot that we use in the plug.dj room Everything Mix.
Drag the following bookmarklet to your bookmarks then when in Plug.dj room, click the link to load the bot.
Everything Mix Bot
or manually create a bookmark with this as the URL: javascript:$.getScript('https://raw2.github.com/EverythingMix/EverythingMixBot/master/bot.js')();.