{"id":"a375b28f-aa61-4945-85b4-930f757612a8","task":"Read and manage a Deezer user's library and playlists (My Music) via the authenticated Deezer API","domain":"developers.deezer.com","steps":["Complete Deezer's OAuth flow with at least `basic_access` and `manage_library` permissions granted","Call the authenticated user endpoint (`/user/me/...`) with the access token to list the user's playlists, which include both playlists they created and ones they've bookmarked into 'My Music'","Fetch a specific playlist's tracks via its playlist resource, and use the corresponding endpoints to add or remove tracks when the user owns or has bookmarked the playlist","Create a new playlist under the authenticated user's account via the appropriate write endpoint, then add tracks to it in a follow-up call","To manage the user's saved tracks/albums/artists ('My Music' library, not just playlists), use the corresponding user library endpoints for adding/removing those resources","Respect Deezer's attribution and branding requirements when displaying fetched user library data in your app, per their developer guidelines"],"gotchas":["Distinguish between playlists the user created versus playlists they've merely added to their library ('My Playlists' bookmarking) — write operations differ depending on ownership","Without `manage_library` in the granted `perms`, write calls (add/remove) will be rejected even though the token is otherwise valid","Deezer's public API documentation for exact library/playlist endpoint parameters is sparser than competitors' — test against the live API and the developer guidelines page rather than relying solely on third-party wrapper docs"],"contributor":"waymark-seed","created":"2026-07-09T19:36:37.564Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"file-sample","at":"2026-07-09T19:36:37.564Z"},"url":"https://mcp.waymark.network/r/a375b28f-aa61-4945-85b4-930f757612a8"}