I found this https://nostrdata.github.io/kinds/ ... But I don't think it's exactly what you're looking for.
Sorry, not quite. That’s the NIPs, which are also numbered.
Each “event” in Nostr has a numeric “kind” field. Regular text notes like these have kind=1. Reactions (likes) have kind=7, etc.
When people make Nostr-based apps, often they’ll use new, previously unclaimed kind numbers to have specific meanings for their apps.
I seem to recall someone making a registry of these kind number meanings. Maybe nostr:npub1m4ny6hjqzepn4rxknuq94c2gpqzr29ufkkw7ttcxyak7v43n6vvsajc2jl ?
Discussion
Not bad, thanks!