@Moon I have been trying to coax it into working with a bouncer so I can make some janky middleware for it, mostly so I don't have to run two accounts. I haven't made much progress yet because it consistently crashes after receiving the names list for the channels. If you like, I could ask the oper of this particular network how he made it go.

Microsoft Chat cries out for a free-software reimplementation. Best thing they ever did.