melrose-mcpMCP server (STDIO) that uses melrose tool to play musical expressions

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Reviewed by Daniel Nikulshyn·Updated July 2026

Overview

melrose-mcp is an MCP server that uses the melrose tool to play musical expressions. It is a command-line application written in Go that allows users to create and play music by programming melodies using a custom language. The server can be configured to work with a MIDI receiver such as a DAW or a hardware synthesizer. To use melrose-mcp, users need to have the Go SDK installed. The tool provides a way for users to create and play musical expressions by sending requests to the server. For example, users can send a request to play a tune from Claude Debussy or play a specific musical sequence. The server responds with the musical expression played at a specified tempo. melrose-mcp is licensed under the MIT license and contributions are welcome.

Key features

plays musical expressions
supports custom language for composing notes
works with MIDI receiver
can be configured for different tempos

Pricing

Model: Free
Category: MCP Servers
Rating: No reviews yet

Use cases

Playing a Musical Sequence

Users can send a request to play a specific musical sequence, such as 'C D E'. The server will then play the sequence at a specified tempo.

Creating a Musical Expression

Users can create a musical expression using the melrose language and send it to the server to play. For example, users can create a small segment inspired by Claude Debussy's impressionist style.

Pros & Cons

Pros

allows users to create and play musical expressions using a custom language
supports configuration with a MIDI receiver
can be used with a variety of musical styles and expressions

Cons

requires Go SDK for installation
limited information on advanced features and customization options

Reviews

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Q&A

Is there a licensing cost or fee for using melrose-mcp?

melrose-mcp is released under the MIT license, which is free to use, modify, and distribute. No purchase or subscription is required, though contributions are welcome.

Asked by Marcus Bell · Sep 16, 2025

Can I control the tempo of a piece played by melrose-mcp?

Yes, you can change the tempo by sending a `melrose_bpm` request with a `bpm` value (e.g., `{ "bpm": 80 }`). The server will adjust the playback speed accordingly.

Asked by Vikram Rao · Jul 28, 2025

What are the system requirements to install melrose-mcp?

melrose-mcp is a command‑line Go application, so you must have the Go SDK installed on your machine. After installing Go, you can install the server with `go install github.com/emicklei/melrose-mcp@latest`.

Asked by Larisa Ionescu · Jun 8, 2025

How does melrose-mcp output the music it generates?

The server sends MIDI data to a configured MIDI receiver, which can be a digital audio workstation (DAW) or a hardware synthesizer. You need to set up a MIDI output device for the server to route the musical expressions.

Asked by Sanjay Gupta · Jun 9, 2025