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To report bugs or request new features, open an issue.
Userscripts for MusicBrainz.
Batch add entities to MusicBrainz collection and copy MBIDs from entity pages, search result or existing collections.
Demonstration: https://community.metabrainz.org/t/batch-add-to-collection-and-batch-copy-mbids/548063
Import releases and submit ISRCs from Music Forest into MusicBrainz.
Import releases from THBWiki into MusicBrainz.
Split and fill artist credits, append character voice actor credit, and guess artists from track titles.
Demonstration: https://community.metabrainz.org/t/artist-credits-helper-split-append-guess/576093
Batch query AcoustID of recordings on release and collection page.
Screenshot: https://community.metabrainz.org/t/a-new-musicbrainz-user-script-was-released/77897/64