Nosta profiles now also show classifieds you posted.

An example:

https://nosta.me/npub1jknfxfjynyc6mk3juls0vf6mas8rs747ae9m26e7jn6x56kyqt3quttcvj

Via nostr:npub1jknfxfjynyc6mk3juls0vf6mas8rs747ae9m26e7jn6x56kyqt3quttcvj and pinging nostr:npub1zuuajd7u3sx8xu92yav9jwxpr839cs0kc3q6t56vd5u9q033xmhsk6c2uc

Clicking one takes you to https://ostrich.work/ . The NIP is not merged yet, so things might change and break.