Rif'at Ahdi R on Nostr: Yes, nostr client devs can also use directly classification events (NIP-32 kind: ...

Yes, nostr client devs can also use directly classification events (NIP-32 kind: 1985) and filter kind: 1

Example:
nak req -k 1985 -t L=app.nfrelay.language wss://nfrelay.app