SkillFoxx

Claude Collider MCP

An MCP server for SuperCollider: an agent writes and plays music live, with composition skills and a session recording format.

  • 62 ★ on the repository
  • Last commit
  • MIT
MCP server

Extended access

Why this level

  • The agent executes SuperCollider code and plays sound on your computer.
All reasons and checks

jeremyruppel/claude-colliderAuthor:jeremyruppel

Install

Manual install

git clone https://github.com/jeremyruppel/claude-collider.git

The first install command in the README clones the repository; then `npm run setup` is run and `claude` is started.

Access and checks

How we review

Extended accessThe tool runs code or makes network calls and only reads external data.

  • The agent executes SuperCollider code and plays sound on your computer.

This is third-party code. Review the repository files before installing.

What it does

Claude Collider boots SuperCollider inside the session and gives the agent MCP tools for live sound coding. The user describes the sounds wanted and the agent writes SuperCollider code and executes it in real time. It ships more than twenty-seven built-in synths, a sampler that auto-loads samples from user folders and utility classes for arrangement, melody development and a breakbeat mangler. A tape format records and plays back songs across sessions. The repository holds instructions for Claude and music composition skills: `songwriting`, `arrange-tape`, `play-tape` and `record-tape`. The server also works with other MCP clients.

Who it is for. Musicians and sound designers who write music by live coding and want an agent to handle synthesis and arrangement.

Good fit when

  • A beat and a bassline must be sketched from a description.
  • A song must be recorded and played back in the next session.
  • You want to drive your own samples through an agent.
  • A melody must be developed and an arrangement built.

Not a fit when

  • A finished audio editor with a graphical interface is needed.
  • SuperCollider is not installed.
  • Music is needed with no audio system setup.

Example request

Boot SuperCollider and compose thirty seconds of a lo-fi beat with a soft bass, then save the result as a tape.

MCP

Transport
stdio
Authentication
not required

Environment variables

CC_SAMPLES_PATH
CC_RECORDINGS_PATH

Limitations

SuperCollider, Node.js 18 or newer and an MCP client are required. It works best from the repository folder, where the instructions and skills for Claude live. The agent executes SuperCollider code and plays sound, so check volume and audio output beforehand. Sample and recording paths are set with `CC_SAMPLES_PATH` and `CC_RECORDINGS_PATH`. The server is built locally with `npm run setup` or `npm install && npm run build`.

How to disable. Remove the server with `claude mcp remove claude-collider` and delete the repository folder. Tape recordings and samples live in your folders and are removed separately.

FAQ

What must be installed?

SuperCollider, Node.js 18 or newer and Claude Code, Claude Desktop or another MCP client.

How do I connect to Claude Code?

The repository has a `.mcp.json`. After building, start Claude Code from its root and approve the server, or run `claude mcp add` with the path to `dist/index.js`.

What is a tape?

A format for recording and playing back songs across sessions using the `record-tape` and `play-tape` skills.

How do I use my own samples?

Set `CC_SAMPLES_PATH` and the sampler loads files from that folder automatically.

Does it work only with Claude?

No, the server should work with any MCP client, but the instructions and skills target Claude.

Discussion

No questions or reviews yet.

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README in short

A SuperCollider MCP server with built-in synths, a sampler and music composition skills.

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