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Gradus Notation

com.gradusmusic/notation ยท v0.8.0

Gradus Notation + Harmonic Analyzer + Engraver: music tools for any AI agent. Free, no auth.

Connect Runs on your machine

Terminal
claude mcp add notation -e GRADUS_NOTATION_API_BASE=<GRADUS_NOTATION_API_BASE> -e GRADUS_AGENT_NAME=<GRADUS_AGENT_NAME> -- npx -y @gradusmusic/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "notation": {
      "command": "npx",
      "args": [
        "-y",
        "@gradusmusic/[email protected]"
      ],
      "env": {
        "GRADUS_NOTATION_API_BASE": "<GRADUS_NOTATION_API_BASE>",
        "GRADUS_AGENT_NAME": "<GRADUS_AGENT_NAME>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "notation": {
      "command": "npx",
      "args": [
        "-y",
        "@gradusmusic/[email protected]"
      ],
      "env": {
        "GRADUS_NOTATION_API_BASE": "<GRADUS_NOTATION_API_BASE>",
        "GRADUS_AGENT_NAME": "<GRADUS_AGENT_NAME>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "notation": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@gradusmusic/[email protected]"
      ],
      "env": {
        "GRADUS_NOTATION_API_BASE": "<GRADUS_NOTATION_API_BASE>",
        "GRADUS_AGENT_NAME": "<GRADUS_AGENT_NAME>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
GRADUS_NOTATION_API_BASE
Optional
Override the API base URL. Defaults to https://gradusmusic.com.
GRADUS_AGENT_NAME
Optional
Self-reported agent name sent in the X-Agent-Name header for telemetry attribution.

Details

Package@gradusmusic/[email protected] (NPM, stdio)
First published26 Aug 2026
Last updated26 Aug 2026
Registry namecom.gradusmusic/notation

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