MIDI MCP Server

Name: MIDI MCP Server
Author: tubone24

@tubone24

MIDI MCP Server について

MIDI MCP Server is a Model Context Protocol (MCP) server that enables AI models to generate MIDI files from text-based music data. This tool allows for programmatic creation of musical compositions through a standardized interface.

基本情報

カテゴリ

その他

ライセンス

MIT

ランタイム

node

トランスポート

stdio

公開者

tubone24

設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "midi-mcp-server": {
      "command": "node",
      "args": [
        "build/index.js",
        "--http"
      ]
    }
  }
}

ツール

ツールは検出されませんでした

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is MIDI MCP Server?

A Model Context Protocol (MCP) server for AI-driven MIDI composition. It generates MIDI files from structured JSON data, supports chord names, provides an interactive piano-roll preview UI, and offers multiple deployment modes (stdio, HTTP, Cloudflare Workers).

How to use MIDI MCP Server?

Deploy remotely via Cloudflare Workers (https://midi-mcp-server.tubone24.workers.dev/mcp) or run locally as a stdio or HTTP server. Use the create_midi tool to generate a MIDI file from a composition object, and parse_chord to resolve chord names into pitches. See the README for configuration examples for each transport.

Key features of MIDI MCP Server

Two MCP tools: create_midi and parse_chord
Rich pitch input: MIDI numbers, note names, pitch arrays, or chord names
Chord library with 25+ chord qualities
Flexible durations: numeric beats, standard strings, dotted, triplet
Seven built-in music theory reference documents as MCP resources
Three transport modes: stdio, HTTP, Cloudflare Workers
Interactive piano-roll preview and audio playback in supported MCP clients

Use cases of MIDI MCP Server

Compose MIDI songs directly from an AI conversation
Parse chord names into MIDI pitches and note names for analysis
Use music theory resources to guide composition decisions
Generate multi-track MIDI files with specified instruments and velocities
Embed MIDI generation into MCP‑compatible clients (e.g., Claude.ai)

FAQ from MIDI MCP Server

What deployment options are available?

The server can run as a local stdio process, a local HTTP server, or a remote Cloudflare Workers endpoint. The remote server is pre‑deployed at https://midi-mcp-server.tubone24.workers.dev/mcp.

What tools does the server expose?

Two tools: create_midi (generates a MIDI file from composition data) and parse_chord (resolves a chord name into its component MIDI numbers and note names).

What runtime and dependencies are required?

Node.js and npm. Key packages include @modelcontextprotocol/sdk, midi-writer-js, zod, and soundfont-player.

How do I specify pitches in a composition?

Pitches can be given as MIDI numbers (0–127), note name strings (e.g., "C4"), arrays of pitches, or chord names (e.g., "Cmaj7"). Accidentals # and b are supported.

What transport modes are supported?

The server supports stdio (default for local desktop clients), HTTP (local Streamable HTTP server), and Cloudflare Workers (remote, via HTTP). Authentication is not required.

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