MusoKit music tools

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Chords, scales, transposition, capo and tempo maths, with links to free interactive music tools.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "MusoKit music tools": {
      "url": "https://musokit.com/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (6)

• chord_info read-only

  Notes, formula and a guitar fingering for a chord symbol such as "Am7", "F#m", "Bbmaj7" or "C/G", plus free diagram image URLs and a link where the user can hear and see the chord.

  Parameters:

  • chord (required) — string — Chord symbol, e.g. "Am7", "F#m", "Bbmaj7", "Dsus4", "C/G".

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world no

• scale_info read-only

  Notes and step pattern of a scale or mode, with a link to hear it and see it on piano and guitar. Scales: major, minor, dorian, phrygian, lydian, mixolydian, locrian, harmonic-minor, melodic-minor, major-pentatonic, minor-pentatonic, blues, whole-tone, phrygian-dominant.

  Parameters:

  • root (required) — string — Root note, e.g. "C", "F#", "Bb".
  • scale — string — Scale name, e.g. "major", "minor", "dorian", "minor-pentatonic", "blues".

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world no

• transpose_chords read-only

  Transpose a chord progression up or down, either by semitones or from one key to another. Returns the new chords and a link to the transposer.

  Parameters:

  • chords (required) — string — Chords separated by spaces or commas, e.g. "C G Am F".
  • to_key — string — Target key, e.g. "E".
  • from_key — string — Original key, e.g. "C" (alternative to semitones).
  • semitones — integer — Semitones to move (positive = up).

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world no

• capo_finder read-only

  For a song's chords, finds the capo fret that lets a guitarist play it with the easiest open chord shapes. Returns the top options and a link to the capo calculator.

  Parameters:

  • chords (required) — string — Chords as written in the song, e.g. "Bb Gm Eb F".

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world no

• bpm_to_ms read-only

  Note lengths in milliseconds (straight, dotted, triplet) for a tempo, for setting delay, reverb pre-delay and LFO times.

  Parameters:

  • bpm (required) — number

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world no

• open_music_tool read-only

  Returns a ready-to-open link to a free MusoKit tool, preset where possible: a tuner for a specific instrument or tuning, a metronome at a tempo, a tone at a frequency, etc. Use when the user needs to actually tune, keep time or hear something.

  Parameters:

  • tool (required) — string
  • bpm — number — Tempo (metronome only).
  • beats — integer — Beats per bar (metronome only).
  • frequency — number — Frequency in Hz (tone-generator only).
  • instrument — string — Tuner preset (tuner only).

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world no

Publisher website

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.