Is there a *good* way to get community data?

[jducoeur]

Technical question for those who know LJ better than I: is there an appropriate way for outside programs to get at your communities? There are well-established pages for fetching flists and interests, but I'm not finding anything comparable for communities. This is stuff I'd like to pull into CommYou -- you should be able to hold a conversation "in" one of your communities -- but I'm not finding a way to fetch the list short of scraping your profile page...

ETA: Okay, found it. What I need is to add the "comm=1" flag to the fdata.bml call. This is documented, but not on the page where I had originally been looking...