Lidarr-YouTube-Downloader

Lidarr YouTube Downloader: free self-hosted Docker app that auto-downloads missing albums from YouTube as tagged songs with ID3 metadata, MusicBrainz/AcoustID fingerprinting, and automatic Lidarr import. Flask + yt-dlp music automation for your home media server. Maintained by Angrido on GitHub, where it has earned 53 stars from the community.

It's actively developed around acoustid, arr-stack, docker, and is a solid reference for anyone building with these tools.