There's an oddity where your server inserts three slashes in the URL between domain and username: http://chirp.cooleysekula.net///steve — Most things work, but I had to unsubscribe/resubscribe you and @drsekula several times to get your notices. Not sure if any of that is related to the problem you're having. For troubleshooting, come join us in #IRC at irc://irc.freenode.net/#social or https://webchat.freenode.net/?channels=social