I had hoped that tagging a mission with a certain text would make it show up on a search -- no such luck.

Currently, you can do it with a little url mangling.
Here's an example of all of the missions with the tag "iotriumphe":
http://pmog.com/tags/iotriumphe?...
replace "iotriumphe" in the link with whatever you want to search for.

edit: I think the 500 error means that there are 0 results for the tag you are searching for. since we're using the tags in a way which they are not designed for (nominally the only reason you'd load the page is if you clicked on a tag for a mission, meaning that the each search would have at least one result), it makes sense for the server to freak out a little when it gets unexpected data.

@seven, you seem to be beating me to everything today.

in b4 steward?