This is my first day in the Fediverse, and I’m building out my sub list in Lemmy right now. I noticed that searching for Communities only looks within the instance that I’m logged into. Is there any easy way to search across all available Lemmy servers for Communities?
If lemm.ee allows federation, you can basically do it from within the lemm.ee instance. You should be able to discover and communicate as for a lemmy post.
However, I’m not a Mastodon user, so I have not tried it.
What I do know is that you can’t surf to a mastodon server (eg. https://mastodon-belgium.be/home), and log in with your lemm.ee account. You need to get lemm.ee to federate with the specific mastodon server. So not sure how to do that for Mastodon. For kbin you can do the same things as community’s, but they are called differently on kbin.
No expert, YMMV.