After some bug-hunting, I reactivated my wiki-to-xml tool on the toolserver. Additionally, the time limit is now 30 minutes.
I understand it caused some trouble a few days ago, which led to Brion deactivating *all* my tools, without telling me of course.
It should work more stable now; if there are problems again, I'd appreciate a note (mail, talk page on en or de) so I can turn it off and maybe figure out what the problem is.
Magnus