Schemata is here:

https://github.com/nostrability/schemata

https://www.npmjs.com/package/@nostrability/schemata?activeTab=readme

nostr:npub1uac67zc9er54ln0kl6e4qp2y6ta3enfcg7ywnayshvlw9r5w6ehsqq99rx nostr:npub16ux4qzg4qjue95vr3q327fzata4n594c9kgh4jmeyn80v8k54nhqg6lra7 nostr:npub1xzrkzsrnr83vn7h0udq6tnapwpswy5equlrtkn3nu0e0anlmzynqne0qap

Auggie is looking at nip-10.

Acea will port a nip-99 marketplace schema in the next months.