When creating an entry, e.g. via the form at https://musicbrainz.org/work/create, many fields are submitted as enum values.
For instance:
etc.
Is there a place where I can take a look at a list of all the enums and their values?
can be found here: Relationship type / Lyricist - MusicBrainz
Unfortunately, I can’t tell you a complete overview for such IDs.
A copy of the database would have all of them, and you can download it for free 
(the sample database, which is a lot smaller, would still have all the relationships and entity types, so it’s probably good enough for your case).
If you’re thinking about writing a bot or any sort of automated editing, please talk to us about it first though
I’ve extracted enums that are useful for seeding:
I think I last updated it from the 20240701-000001 dump.
Thank you everyone!
@reosarevok, yes I’m interested in doing automated editing. I’d like to import songs/recordings from data sources like JASRAC’s J-WID and YouTube, up to dozens of entries at a time.
Please use song names found on releases rather than the full uppercase (and sometimes wrong) titles you can find in JASRAC DB, though.