Are you making a PHP/WordPress ActivityPub implementation? If so, would you be interested in collaborating on https://github.com/pterotype-project/activitypub-php? It's meant to be a library that takes care of the tricky bits of the ActivityPub protocol so that developers can make new federated applications quickly.
No, it doesn't currently. It's in a transitional period right now - I'm rewriting a significant portion of it but don't have a ton of free time for the next couple of months, so the current version is unpolished and the new version is a ways off. Still, making some forward progress. I like the idea of an AP server written in Go - if you use SQLite to store the object graph you could ship a standalone binary, which would make self-hosting really easy.
@ivan I implemented a lot of stuff over the last weeks, perhaps you want to give it a second try... BTW. it also works with all of my other plugins...
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