video-frames

video-frames is a skill for Claude Code, Codex from YeSongYun/openclaw-cn. It costs 15 tokens per session (251 once invoked), scanned A, a copy of video-frames, MIT.

A command-line utility that uses ffmpeg to take still images or short clips from video files. Ffmpeg is software for processing video and audio.

In plain words
What is it for?
Use it to extract the first frame, capture a frame at a chosen timestamp, or create thumbnails and short clips for inspection.
Why use it?
It provides quick visual samples for checking what appears in a video without opening or reviewing the entire file.

Skill for Claude CodeCodex

Which agent this was written for is unclear — built for openclaw. Also seen: built for openclaw.

Good fit Use it to extract the first frame, capture a frame at a chosen timestamp, or create thumbnails and short clips for inspection.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/yesongyun/openclaw-cn/video-frames
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add YeSongYun/openclaw-cn --skill video-frames
Clone the repo
git clone --depth 1 https://github.com/YeSongYun/openclaw-cn

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for video-frames

README.md
[![agentmods](https://agentmods.dev/badge/skills/yesongyun/openclaw-cn/video-frames/github.svg)](https://agentmods.dev/skills/yesongyun/openclaw-cn/video-frames)
Your own site
<a href="https://agentmods.dev/skills/yesongyun/openclaw-cn/video-frames"><img src="https://agentmods.dev/badge/skills/yesongyun/openclaw-cn/video-frames/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.

agentmods 80×15 button for video-frames

Your own site · 80×15
<a href="https://agentmods.dev/skills/yesongyun/openclaw-cn/video-frames"><img src="https://agentmods.dev/badge/skills/yesongyun/openclaw-cn/video-frames.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 15 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 251 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 89% copy Near-identical to another mod in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00015 $0.00251
Opus 5.5 $0.00006 $0.00100
Sonnet 5.5 $0.00003 $0.00050
Haiku 4.5 $0.00002 $0.00025

Measured 1mo ago against content hash f5cb2b9e7755, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

video-frames scanned grade A with 0 findings 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 1mo ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/frame.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

89% identical to video-frames — 4 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/video-frames/SKILL.md · 47 lines

What it actually says

Video Frames (ffmpeg)

Extract a single frame from a video, or create quick thumbnails for inspection.

Quick start

First frame:

{baseDir}/scripts/frame.sh /path/to/video.mp4 --out /tmp/frame.jpg

At a timestamp:

{baseDir}/scripts/frame.sh /path/to/video.mp4 --time 00:00:10 --out /tmp/frame-10s.jpg

Notes

  • Prefer --time for “what is happening around here?”.
  • Use a .jpg for quick share; use .png for crisp UI frames.
Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

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.

  1. 1mo ago First seen · 47 lines · 15 tokens per session scan A f5cb2b9e7755

Subscribe to this mod's changes

video-frames is a skill published in the GitHub repository YeSongYun/openclaw-cn (56 stars, last pushed 5mo ago), licensed MIT. It adds 15 tokens to every session and 251 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 89% identical to video-frames, differing in 4 lines, and is treated as a copy.

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