Borrowing it
Nothing to install: this file belongs to kevinwatt/ffmpeg-mcp-lite. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/kevinwatt/ffmpeg-mcp-lite/main/.claude/skills/mcp-builder/SKILL.mdgit clone --depth 1 https://github.com/kevinwatt/ffmpeg-mcp-liteWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/kevinwatt/ffmpeg-mcp-lite/mcp-builder)<a href="https://agentmods.dev/skills/kevinwatt/ffmpeg-mcp-lite/mcp-builder"><img src="https://agentmods.dev/badge/skills/kevinwatt/ffmpeg-mcp-lite/mcp-builder/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/kevinwatt/ffmpeg-mcp-lite/mcp-builder"><img src="https://agentmods.dev/badge/skills/kevinwatt/ffmpeg-mcp-lite/mcp-builder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00000 | $0.01313 |
| Opus 5.5 | $0.00000 | $0.00525 |
| Sonnet 5.5 | $0.00000 | $0.00263 |
| Haiku 4.5 | $0.00000 | $0.00131 |
Grade A, and why
mcp-builder scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Runs shell commandslowCapability
Expected in a hook, worth knowing in a rule or an instructions file.
stdout=asyncio.subprocess.PIPE, How it starts
The opening of the file, as written. The whole thing — 189 lines — stays where its author put it; the contents beside it link to each section on GitHub.
FFmpeg MCP Server Development Guide
Overview
This skill guides the development of ffmpeg-mcp-lite, an MCP server that provides video and audio processing capabilities through FFmpeg.
Repository: https://github.com/kevinwatt/ffmpeg-mcp-lite PyPI: https://pypi.org/project/ffmpeg-mcp-lite/
Project Specifications
Technology Stack
- Language: Python 3.10+
- Framework: FastMCP (from mcp package)
- Package Manager: uv
- CLI Tool: FFmpeg / FFprobe
Tool Naming Convention
All tools use ffmpeg_ prefix to avoid conflicts with other MCP servers.
Implemented Tools
Core Tools
| Tool | Description | Parameters |
|---|---|---|
ffmpeg_get_info |
Get video/audio metadata | file_path |
ffmpeg_convert |
Convert format (with optional scale) | file_path, output_format, scale?, video_codec?, audio_codec? |
ffmpeg_compress |
Compress video (with optional scale) | file_path, quality, scale?, preset? |
ffmpeg_trim |
Trim video segment | file_path, start_time, end_time?, duration? |
ffmpeg_extract_audio |
Extract audio track | file_path, audio_format, bitrate? |
ffmpeg_merge |
Concatenate videos | file_paths, output_path? |
ffmpeg_extract_frames |
Extract frames as images | file_path, interval?, count?, format? |
ffmpeg_add_subtitles |
Burn-in subtitles to video | file_path, subtitle_path, style?, font_size?, output_path? |
Project Structure
ffmpeg-mcp-lite/
├── src/ffmpeg_mcp/
│ ├── __init__.py
│ ├── __main__.py
│ ├── server.py # MCP server core
│ ├── config.py # Configuration
│ └── tools/
│ ├── __init__.py
│ ├── info.py # ffmpeg_get_info
│ ├── convert.py # ffmpeg_convert
│ ├── compress.py # ffmpeg_compress
│ ├── trim.py # ffmpeg_trim
│ ├── audio.py # ffmpeg_extract_audio
│ ├── merge.py # ffmpeg_merge
│ ├── frames.py # ffmpeg_extract_frames
│ └── subtitles.py # ffmpeg_add_subtitles
├── tests/
│ ├── conftest.py
│ ├── test_info.py
│ ├── test_convert.py
│ ├── test_compress.py
│ ├── test_trim.py
│ ├── test_audio.py
│ ├── test_merge.py
│ ├── test_frames.py
│ └── test_subtitles.py
├── pyproject.toml
├── README.md
├── CLAUDE.md
└── LICENSE
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2mo ago First seen · 189 lines · 0 tokens per session scan A 720cb87ed43a
mcp-builder is a skill published in the GitHub repository kevinwatt/ffmpeg-mcp-lite (28 stars, last pushed 6mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,313 tokens. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
mcp-builder compared with skills from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| mcp-builderkevinwatt/ffmpeg-mcp-lite | Skill | 28 | 6mo ago | MIT | A | 0 | Claude Code |
| apollo-onboardingfomoPhil/uad-console-mcp | Skill | 1 | 3d ago | MIT | A | 183 | Claude Code, Codex |
| apollo-studio-tasksfomoPhil/uad-console-mcp | Skill | 1 | 3d ago | MIT | A | 168 | Claude Code, Codex |
| c-videodaxaur/openpaw | Skill | 177 | 5mo ago | MIT | A | 38 | Claude Code, Codex |
| loudcheckchaoz23/loudcheck | Skill | 1 | 18d ago | MIT | A | 109 | Claude Code, Codex |
| video-editingYansIlinta/video-agent-runtime | Skill | 1 | 2mo ago | MIT | A | 60 | Claude Code, Codex |
| subtitle-burn-inMadeNavaneeth/palmier-pro-windows | Skill | 4 | 2d ago | none | A | 0 | Claude Code, Codex |