[grishka]

Oh, thanks for this. I did look for a tutorial about implementing a minimally functional Matrix server like there are for ActivityPub[1][2], but didn't find any.

[1] https://blog.joinmastodon.org/2018/06/how-to-implement-a-bas...

[2] https://blog.joinmastodon.org/2018/07/how-to-make-friends-an...