https://charlotteallen.info/2019/11/30/1082/ by Charlotte AllenCharlotte Allen (charlotteallen.info)
This blog now has Mastodon built-in, via a modification to Syndication Links.

Thanks for this change. I was waiting for this. While a custom POSSE provider worked okay-ish it left me without options about posting only the excerpt without adding the required markup manually.

Will test more over the next days.