You can use it as an inbox or an outbox, or both, or neither and just post to it as a standalone community feed. wss://spatia-arcana.com is the uri for the main feed and the read/write functions. Its inbox blocks hellthreads of more than 7 tags. If it's your only inbox, it limits replies to the follows of follows of all the members.
I just got wss://spatia-arcana.com/favorites working tonight, so members can republish any npub's note there, for good stuff that deserves elevating.
I also set up an open amateur geology group: