|Warning - This bot ran on the Toolserver. Toolserver stopped operating on July 1, 2014 and all tools not migrated to the new Labs environment will no longer function. Operators are advised to move their bots to Toollabs.|
This bot runs on the Wikimedia Toolserver, and edits once a week to update Commons:MIME type statistics (and its Unusual types subpage). The bot is written in Perl; the source code is available for review. It's quickly written and not very pretty, but it does the job.