{
  "id": "audio.convert",
  "object": "tool",
  "name": "Convert audio",
  "summary": "mp3, wav, flac, opus, m4a…",
  "description": "Converts audio between MP3, WAV, FLAC, Ogg, Opus, M4A, AAC, AIFF, WMA, AC3 and more, with bitrate, sample rate and channel options.",
  "category": "audio",
  "hosted_by": "Opentools",
  "runtime": "container",
  "side_effects": false,
  "status": "live",
  "credits": 2,
  "price": "$0.0020",
  "providers": [
    {
      "id": "opentools",
      "name": "Opentools",
      "price": "$0.0020"
    }
  ],
  "mcp_name": "audio_convert",
  "input_schema": {
    "type": "object",
    "properties": {
      "file": {
        "anyOf": [
          {
            "type": "object",
            "properties": {
              "url": {
                "type": "string",
                "format": "uri",
                "description": "Public http(s) URL of the file"
              }
            },
            "required": [
              "url"
            ]
          },
          {
            "type": "object",
            "properties": {
              "file_id": {
                "type": "string",
                "format": "uuid",
                "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
                "description": "An id returned by POST /v1/files"
              }
            },
            "required": [
              "file_id"
            ]
          },
          {
            "type": "object",
            "properties": {
              "base64": {
                "type": "string",
                "description": "Base64-encoded file bytes (up to 10 MB)"
              },
              "name": {
                "type": "string",
                "description": "File name, e.g. invoice.pdf"
              },
              "content_type": {
                "type": "string"
              }
            },
            "required": [
              "base64",
              "name"
            ]
          },
          {
            "type": "object",
            "properties": {
              "connection": {
                "type": "string",
                "minLength": 1,
                "maxLength": 64,
                "description": "A storage connection id or name (see storage.connections)"
              },
              "path": {
                "type": "string",
                "minLength": 1,
                "maxLength": 1024,
                "description": "Path of the file in that connection, e.g. reports/q3.pdf"
              }
            },
            "required": [
              "connection",
              "path"
            ]
          }
        ],
        "x-file": true,
        "description": "The audio (or video) file"
      },
      "to": {
        "type": "string",
        "enum": [
          "mp3",
          "wav",
          "flac",
          "ogg",
          "opus",
          "m4a",
          "aac",
          "aiff",
          "wma",
          "ac3",
          "amr",
          "mka",
          "weba",
          "caf"
        ],
        "description": "Output format"
      },
      "audio_bitrate": {
        "description": "Audio bitrate in kbps (ignored for lossless formats)",
        "type": "integer",
        "minimum": 8,
        "maximum": 512
      },
      "sample_rate": {
        "description": "Sample rate in Hz, e.g. 44100 or 48000",
        "type": "number",
        "enum": [
          8000,
          11025,
          16000,
          22050,
          24000,
          32000,
          44100,
          48000,
          96000
        ]
      },
      "channels": {
        "description": "Audio channels (1 = mono, 2 = stereo)",
        "type": "integer",
        "minimum": 1,
        "maximum": 8
      }
    },
    "required": [
      "file",
      "to"
    ]
  },
  "kind": "tool"
}