Gradus Notation MCP Server

by gradusmusic Your server? Claim it

local only

Gradus Notation runs on your own machine — the client starts it, so there is no endpoint to ping. 98 installs a week from npm. Last commit 26 Aug 2026.

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

Installs per day peak 540 · avg 72 · +21% w/w

a month agotoday

Installs / week

npm · @gradusmusic/notation-mcp

Stars

0 open issues

26 Aug 2026

Last commit

0 releases in 90 days

MIT

License

JavaScript

Nothing serious here today

Today is the operative word: we check Gradus Notation every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add notation -- npx -y @gradusmusic/notation-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "notation": {
      "args": [
        "-y",
        "@gradusmusic/notation-mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.notation]
command = "npx"
args = ["-y", "@gradusmusic/notation-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "notation": {
      "args": [
        "-y",
        "@gradusmusic/notation-mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "notation": {
      "args": [
        "-y",
        "@gradusmusic/notation-mcp"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: GRADUS_NOTATION_API_BASE (Override the API base URL. Defaults to https://gradusmusic.com.), GRADUS_AGENT_NAME (Self-reported agent name sent in the X-Agent-Name header for telemetry attribution.). The author declared them in the registry entry; get the values from the project itself.

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Gradus Notation — questions

Answers built from our own checks of this server.

Why is there no uptime for Gradus Notation?

Gradus Notation runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @gradusmusic/notation-mcp was installed 98 times last week.

How do I connect Gradus Notation?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls @gradusmusic/notation-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Gradus Notation?

The npm package @gradusmusic/notation-mcp was installed 98 times in the last week. Week over week that is +21%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Gradus Notation open source?

Yes — it is published under the MIT licence, written in JavaScript and 2 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.