A little light on details :)

Yeah sorry, that’s my bad, I meant to link it. This is a very good summary.

The media type handler is preconfigured with a good default that can be optionally overridden.

Runs locally and connects directly to the desired “resource” (community, account, etc) across anything(?) on ActivityPub rather than via a server or instance.

This is correct, I just don’t know what you mean by “across anything(?)”.

Source is available here (GPLv3): https://github.com/BentonEdmondson/servitor

It is written in Go.

This is a client I’ve been working on that doesn’t require you to have a server. Let me know what you think.