NestDaddy

Singing Pitch Tracker

io.github.raulkivi/pitch-mcp · v0.3.1

Real-time pitch detection and score alignment for a singer, from microphone input

Connect Runs on your machine

Terminal
claude mcp add pitch-mcp -e PITCH_BACKEND=<PITCH_BACKEND> -- uvx pitch-mcp==0.3.1
claude_desktop_config.json
{
  "mcpServers": {
    "pitch-mcp": {
      "command": "uvx",
      "args": [
        "pitch-mcp==0.3.1"
      ],
      "env": {
        "PITCH_BACKEND": "<PITCH_BACKEND>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "pitch-mcp": {
      "command": "uvx",
      "args": [
        "pitch-mcp==0.3.1"
      ],
      "env": {
        "PITCH_BACKEND": "<PITCH_BACKEND>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "pitch-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "pitch-mcp==0.3.1"
      ],
      "env": {
        "PITCH_BACKEND": "<PITCH_BACKEND>"
      }
    }
  }
}

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
PITCH_BACKEND
Optional
Pitch detection algorithm: librosa (default) or crepe

Details

Package[email protected] (PYPI, stdio)
First published26 Sep 2026
Last updated26 Sep 2026
Registry nameio.github.raulkivi/pitch-mcp

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