Yes, and that information is kind of in the sidebar, after replacing the initial @ in e.g. @tech@kbin.social with a ! for !tech@kbin.social. Just type that into search and follow. But would be real nice to have a browser extension to:

1. Pop up a “subscribe from my instance” button on external communities.
2. Giving our own “Communities” top link the browse.feddit.de features so we don’t need to go there.