Manual create via music.add. The canonical JSON below is validated against the schema server-side; required fields vary by type. Provenance is auto-populated with source=mcp:<clientName>.

Canonical JSON { "name": "The Track or Album Title", "byArtist": [ { "name": "Artist Name", "matchConfidence": "unresolved" } ], "inAlbum": "The Album Title", "label": { "name": "Record Label", "matchConfidence": "unresolved" }, "kind": "recording", "duration": "PT3M52S", "datePublished": "2026-05-28", "genre": [ "Indie Rock" ] }

EntityRef fields (authors, publisher, directors, etc.) take the shape { "name": "...", "matchConfidence": "unresolved" } in this push — typeahead resolution lands next session.

Tags (comma-separated)