What tuning standards are supported?

The server supports the international standard (A4 = 440Hz) and the alternative tuning (A4 = 432Hz).

Can I calculate harmonics for any frequency?

Yes, using the `calculate_harmonics` tool, you can generate the first 8 harmonics for any positive frequency.

How accurate are the conversions?

The server provides precise semitone and cents deviation calculations.

Frequency & Note Converter MCP Connector for Claude

A+

Convert between musical frequencies and notes with precision.

4 tools Official Updated Jun 28, 2026 Official Vinkius Partner

More Details Connect to Claude

A high-precision utility for musicians and audio engineers to bridge the gap between Hertz (Hz) and musical pitch. This MCP server provides tools like frequency_to_note to identify notes from frequencies, note_to_frequency for exact frequency calculation, calculate_harmonics for harmonic series generation, and get_pitch_depth to measure distance from the A0 baseline. Supports both 440Hz and 432Hz tuning standards.

frequencymusictuninghertzpitchaudio-engineering

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_Zopq5uu7YHcYJkeJQYWCZ3JQKE0gbvUjwtpWr6WR/mcp

② Claude Code (terminal)

claude mcp add --transport http frequency-note-converter https://edge.vinkius.com/vk_preview_Zopq5uu7YHcYJkeJQYWCZ3JQKE0gbvUjwtpWr6WR/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "frequency-note-converter": {
      "url": "https://edge.vinkius.com/vk_preview_Zopq5uu7YHcYJkeJQYWCZ3JQKE0gbvUjwtpWr6WR/mcp"
    }
  }
}

Get full access on Vinkius

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