I wrote the initial Mastodon Feed Parser for the Mastodon<->Twitter Bridge. It is mostly very similar to moa.party sanitization.
I'm also excited about trying out Pebble Datastore with this project. I've used goleveldb for some work projects in the past. Pebble is distantly and exposes similar API.
Args is an open microblogging platform for my family and close friends to interact with the Fediverse.