Does it work with a Fedi account, or would I need to make a Nostr account?
This app I made finds users you might like based on your current follows:
https://friendstr.vercel.app/npub1mndjh740f8nzfm5wg7cyyn32a9htryjnr46qyct28005yyglks5smkjap8
Discussion
It loads the data just fine, but I would need to implement something to make it easier to follow the profiles from your fedi account