Media

Batch Audio Metadata Editor

Edit metadata tags (artist, album, title, genre, year, track, comment) for multiple audio files at once

file· File resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

# 1) Upload each file first → returns { filePath }
curl -X POST 'https://api.elysiatools.com/upload/audio-batch-metadata-editor' \
  -F 'file=@/path/to/audioFiles.ext'

# 2) Call the tool with the returned filePath values
curl -X POST 'https://api.elysiatools.com/en/api/tools/audio-batch-metadata-editor' \
  -F 'audioFiles=/path/to/file.ext' \
  -F 'artist=Artist name' \
  -F 'album=Album name' \
  -F 'title=Track title (applied to all files)' \
  -F 'genre=Music genre' \
  -F 'year=2024' \
  -F 'track=Applied to all files if not using sequential numbering' \
  -F 'trackNumbering=none' \
  -F 'comment=Notes or comments' \
  -F 'outputFormat=keep'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/audio-batch-metadata-editor

Parameters

Name	Type	Required	Description
audioFiles	fileupload required	Yes	—
artist	text	No	—
album	text	No	—
title	text	No	—
genre	text	No	—
year	text	No	—
track	text	No	—
trackNumbering	select	No	—
comment	text	No	—
outputFormat	select	No	—

File-type parameters must be uploaded first via POST /upload/audio-batch-metadata-editor, then the returned filePath is passed to the corresponding file field.

Response format

File result

JSON

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-audio-batch-metadata-editor": {
      "name": "audio-batch-metadata-editor",
      "description": "Edit metadata tags (artist, album, title, genre, year, track, comment) for multiple audio files at once",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=audio-batch-metadata-editor",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "audio-batch-metadata-editor",
    "arguments": {
  "audioFiles": "https://example.com/file.ext",
  "artist": "Artist name",
  "album": "Album name",
  "title": "Track title (applied to all files)",
  "genre": "Music genre",
  "year": "2024",
  "track": "Applied to all files if not using sequential numbering",
  "trackNumbering": "none",
  "comment": "Notes or comments",
  "outputFormat": "keep"
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

File parameters accept a public file URL only (https://…). Local paths, data: URIs, and Base64 strings are not supported.

Questions or issues? Contact [email protected]