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MCP server · Files

Music21 MCP

by · github.com/SimonsonM/music21-mcp

MCP server exposing music21's music theory and composition capabilities to LLMs. 7 tools: key detection, Roman numeral analysis, cadence/counterpoint generation, melody harmonization, MIDI/MusicXML parsing.

Unclaimed last commit 6 months ago files
InstallView source
34Low

Scored a month ago · breakdown

About Music21 MCP

Music21 MCP is an MCP server published by SimonsonM in the Files category: mCP server exposing music21's music theory and composition capabilities to LLMs. 7 tools: key detection, Roman numeral analysis, cadence/counterpoint generation, melody harmonization, MIDI/MusicXML parsing.

The repository has 3 stars and 0 forks, with the last commit 6 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/SimonsonM/music21-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (7)

analyze_chord_progressionConvert chord symbols to Roman numerals in a key, detect cadences

Parameters not published.

analyze_score_fileParse a MIDI or MusicXML file and extract key, tempo, time signature, parts

Parameters not published.

detect_keyDetermine the most likely key of a note sequence, with confidence and alternatives

Parameters not published.

generate_cadenceProduce the chord pitches of authentic, plagal, deceptive, or half cadences

Parameters not published.

generate_counterpointFirst-species counterpoint against a cantus firmus, Fux rules

Parameters not published.

harmonize_melodySuggest SATB-style chord harmonizations for a melody

Parameters not published.

score_to_midiRender a note sequence to a playable MIDI file

Parameters not published.

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Questions

About Music21 MCP

How do I install Music21 MCP?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Music21 MCP safe to use with an AI agent?

Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Music21 MCP still maintained?

The last commit was 6 months ago. That's long enough that you should check whether the maintainer is responding to issues before depending on it.