Last.fm Taste MCP (sptmru/lastfm-mcp) is an MCP server listed on the M8ven Trust Index. It scores 89 out of 100, grade B. It declares 43 tools. The publisher has proved control of what we score (Verified Publisher). It is connected through the M8ven GitHub App, so the listing is re-checked on every push.
Provides Last.fm listening analytics and recommendations by combining Last.fm and MusicBrainz metadata, maintaining a local listening index, and recording explicit preferences. Enables queries for listening summaries, taste profiles, artist context, and evidence-backed recommendations via MCP tools.
Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
How we verified
Monitored 14 days · every push re-verified
Install from
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock
All four hints declared on every tool
6/43 tools missing one or more hints — spotify_create_playlist (missing: readOnlyHint, destructiveHint, openWorldHint); create_spotify_playlist_from_tracks (missing: readOnlyHint, destructiveHint, openWorldHint); spotify_add_tracks_to_playlist (missing: readOnlyHint, destructiveHint, openWorldHint), +3 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
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