MCP servercom.freqblog/music-metadata

Audio features + harmonic set-building for tracks by name/ISRC.

Audio features + harmonic set-building for tracks by name/ISRC. Spotify audio-features replacement.

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Says it is

freqblog-music 1.27.2

protocol 2025-06-18

In the record since

32 days ago

Among servers18,413 with a card

0median 0.606 · this server 0.768 · highest on record 0.8561

Toolsfrom sha256:2987fbade0…cff3e0 · +0 −0 4 days ago

The tools this server lists, read out of the definition it returned
Tool	Schema
build_setlist Order a crate of 2-100 catalog tracks into a beat-matched DJ set that follows an energy arc, keeping each consecutive transition harmonically and tempo-smooth. `arc` is one of	input · output
find_compatible_keys Given a Camelot key (e.g. "8A", "12B"), return the harmonically compatible keys for DJ mixing — the same key, the relative major/minor, and the adjacent +/-1 keys on the Ca	input · output
find_tracks_by_bpm Find catalog tracks near a target tempo. Returns tracks whose BPM is within +/-`tolerance` of `bpm`, ordered by closeness then by an internal catalogue ordering key (not an aud	input · output
find_tracks_by_key Find catalog tracks in a given musical key — for harmonic mixing and key-locked playlists. `key` accepts Camelot ("8A"), Open Key ("1m"), or a key name ("A-Minor", "F#-Majo	input · output
get_audio_features Get audio features for ONE track — BPM, musical key (name + Camelot + Open Key), energy, danceability, valence, acousticness, loudness, mood, mood_vector, genre, time signature	input · output
get_audio_features_batch Get audio features for MANY tracks in one call (up to 50 processed) — ideal for analysing a whole playlist at once. Identify each item by name (`track`/`artist`), by `isrc`	input · output
get_recommendations Recommended tracks for one or more seed tracks — the drop-in for Spotify's removed GET /v1/recommendations. Blends up to 5 catalog seed tracks into a single point in audio-	input · output
get_related_artists Artists related to a seed artist — the drop-in for Spotify's removed GET /v1/artists/{id}/related-artists. No artist graph exists, so we derive one: build the seed artist's	input · output
score_transition Score how well one catalog track mixes into another (0-100) — the pairwise DJ transition score no raw key/BPM API gives you. Combines Camelot-wheel key compatibility, octave-aw	input · output
search_catalog Full-text search the catalog by any mix of track / artist / album tokens. Use this to resolve a fuzzy, partial, or misspelled name into concrete tracks BEFORE calling get_a	input · output
suggest_next_track Given a seed track, return the top-N catalog tracks to play NEXT, ranked by transition score. Each suggestion carries the same `score`, per-component scores and human `reason`	input · output
tag_track Get a compact, HONESTLY-LABELLED tag list for a track — energy / danceability / valence / acousticness, plus a mood tag and a broad genre tag (instrumentalness is currently nul	input · output

Verify it yourselfnpx teppi-check https://mcp.freqblog.com/mcpcurl -s https://api.teppi.xyz/v1/trust/mcp/mcs_01M1FZ26FKHQHV3M7KKFT8WKVB