MCP Servers

ffmpeg-mcp

Enables audio and video manipulation using FFmpeg, including extracting audio, converting formats, merging files, trimming, and adjusting volume.

README

ffmpeg-mcp

FFmpegを使用した音声・動画操作のためのMCPサーバーです。

前提条件

Node.js
FFmpeg（ローカルにインストール済みで、PATHが通っていること）

インストール

npm install
npm run build

利用可能なツール

ツール名	説明
`get_media_info`	メディアファイルの詳細情報を取得
`extract_audio`	動画から音声トラックを抽出
`convert_audio`	音声フォーマットの変換（コーデック、ビットレート、サンプルレート、チャンネル数）
`merge_audio`	複数の音声ファイルを結合
`trim_audio`	音声ファイルの切り出し（開始時間、終了時間/長さ指定）
`adjust_volume`	音量調整（%指定、dB指定対応）

Claude Desktop（GUI版）での設定

設定ファイルの場所

%APPDATA%\Claude\claude_desktop_config.json

設定例

{
  "mcpServers": {
    "ffmpeg": {
      "command": "node",
      "args": ["<path-to-ffmpeg-mcp>/dist/index.js"]
    }
  }
}

設定後

Claude Desktopを再起動してください。

Claude Code（CLI版）での設定

MCPサーバーの追加

claude mcp add ffmpeg --scope user -- node "<path-to-ffmpeg-mcp>/dist/index.js"

設定の確認

claude mcp list

使用例

動画から音声を抽出

input: video.mp4
output: audio.mp3

音声フォーマット変換

input: audio.wav
output: audio.mp3
bitrate: 192k

音声ファイルの結合

inputs: [part1.mp3, part2.mp3, part3.mp3]
output: combined.mp3

音声の切り出し

input: audio.mp3
start_time: 00:01:30
duration: 30
output: clip.mp3

音量調整

input: audio.mp3
volume: 1.5 (150%)
output: louder.mp3

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