That's so kind! 🥺 I built and hosted it with Cheap Bots Done Quick, which effectively shut down when Twitter locked up their API in April.
CBDQ has a sister project for Mastodon-powered bots using the same syntax, so in theory I could simply copy-paste it back into action there. (I didn't know that before this question, so thanks!)
As for a cohost version, I wouldn't know where to begin.
