In reply to Chris Lott.

Chris (@fncll@social.coop) Apologies for the late reply, but Mastodon doesn't support Webmention yet, and I don't spend much native time here.

I'm still tweaking some of the ways I'm using things, so most of it is based on importing data via RSS with a small amount of manual work. Ultimately I hope to use their API to automate the entire piece. If you're looking for something, Kris Shaffer built a Hypothes.is Aggregator that might serve as a model.