Audio Key Detector

Detect the musical key of a track

Analyzes pitch-class energy over time and matches it to major/minor key profiles.

API Documentation

Request Endpoint

POST /en/api/tools/audio-key-detector

Request Parameters

Parameter Name	Type	Required	Description
audioFile	file (Upload required)	Yes	-
analysisSeconds	text	No	-

File type parameters need to be uploaded first via POST /upload/audio-key-detector to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

JSON Data: JSON Data

AI MCP Documentation

Add this tool to your MCP server configuration:

{
  "mcpServers": {
    "elysiatools-audio-key-detector": {
      "name": "audio-key-detector",
      "description": "Detect the musical key of a track",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=audio-key-detector",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]