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mcp/harbor
Gemini CLI

Gradus Notation for Gemini CLI

com.gradusmusic/notation

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

client:Gemini CLI transport:stdio runtime:npm

Install Gradus Notation in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

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{
  "mcpServers": {
    "notation": {
      "command": "npx",
      "args": [
        "-y",
        "@gradusmusic/notation-mcp"
      ],
      "env": {
        "GRADUS_NOTATION_API_BASE": "<GRADUS_NOTATION_API_BASE>",
        "GRADUS_AGENT_NAME": "<GRADUS_AGENT_NAME>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

Gradus Notation in other clients

Gradus Notation MCP server