nostr:npub1xnf02f60r9v0e5kty33a404dm79zr7z2eepyrk5gsq3m7pwvsz2sazlpr5's implementation of NWC is the best I've seen it done so far. Extensive customisation of each connection.

Was concerned about connecting my embedded LND to it.

Then I realised there's Cashu. The wallet has an explicit option to restrict NWC connections to your Cashu wallet alone.