Is there any auth necessary to pull data from a PDS? I know the main relay is a public firehouse so I would be surprised, but maybe the PDS can put relay servers on an allowlist?
As far as I can tell, all content on ATProto is fully public without auth
Does it federate or anything? Wonder what up to date summaries exist of it’s capabilities
If by federate you mean "is stored on content addressed, signed merkle trees that can be mirrored and served from more than one domain" then yes
Also it's uh, atproto.com