@notroot there'd definitely be a need for what you wanna achieve. However, you will also find that what you want to build isn't straightforward at all, and you are working with the rough outline of an ultra-flexible protocol framework that still has a lot unspecified.
I'd advise joining #SocialHub and/or W3C SocialCG. People to follow are @helge (AP + Python) @hrefna (FeatherPub) and @steve (AP Linked Data), among others, who explore this space.