Attached to this web page there's a feed for Mozilla Ubiquity including debian specific commands such as bts or pts for searching in bugs.debian.org and packages.qa.debian.org.
If you have ubiquity installed then you can subscribe to this feed by clicking "Subscribe" on the top bar above this page.
Currently they are maintained under git and are to be found at git.debian.org/git/users/filippo/ubiquity-commands.git