ffmpeg_command

ffmpeg

Run FFmpeg on a media file (transcode, trim, scale, extract audio, change frame rate, make a thumbnail, etc.). Pass the input as file_url or file_base64 + filename, the FFmpeg arguments that go AFTER the input in 'args' (e.g. '-vf scale=1280:720 -c:v libx264' or '-vn -ab 192k'), and the output_format (e.g. 'mp4', 'mp3', 'gif'). The server runs: ffmpeg -i <input> <args> output.<output_format>. Shell metacharacters and network/file protocols are blocked.

Parameters

Name	Type	Required	Description
file_url	string	no	Public http(s) URL of the input media (preferred).
file_base64	string	no	Base64 of a small inline input file (<=15MB). Provide 'filename'.
filename	string	no	Input filename incl. extension, e.g. 'clip.mov'.
args	string	no	FFmpeg arguments placed AFTER '-i <input>' and BEFORE the output file, e.g. '-vf scale=1280:720', '-ss 5 -t 10', '-vn -ab 192k'.
output_format	string	yes	Output container/format extension, e.g. 'mp4', 'mp3', 'gif', 'wav'.

Example call

JSON-RPC tools/call body (sent to https://convertfleet.com/api/mcp):

{
  "jsonrpc": "2.0", "id": 1, "method": "tools/call",
  "params": { "name": "ffmpeg_command", "arguments": {
               "file_url": "https://example.com/input",
               "output_format": "mp4",
               "args": "-vf scale=1280:720"
             } }
}

Connect first

npx -y mcp-remote https://convertfleet.com/api/mcp --header "Authorization: Bearer flt_YOUR_KEY"

See the quickstarts for Claude, Cursor, Hermes, OpenClaw, n8n, Zapier and Make.