Soularr + lidarr is what i use to fill out my collection.

Lmfao, verify your mastodon account with a credit card… Who falls for this stuff?

Ive downloaded over 150k tracks from tidal using tidal dl and after a lot of testing the most theyve done to counter is rate limiting or blocking the IP i was using, but if you stick with reasonable limits of how quickly you are downloading tidal doesnt seem to care much.