I wrote a little #elixir program, called LastCrusader: https://github.com/jpcaruana/last_crusader. Not a 100% static solution, but a fun experiment.

• commits to Github from micropub endpoint
• listens for note to be published
• sends webmentions to targets (and update links when appropriate) for POSSE thanks to https://brid.gy/ and https://fed.brid.gy/