cxcscmu/skilllearnbench-ffmpeg-keyframes
Extract I-frame keyframes from video files using FFmpeg command line, saving them as numbered PNG images.
npx skills add https://github.com/cxcscmu/SkillLearnBench --skill ffmpeg-keyframes
Take cxcscmu/skilllearnbench-ffmpeg-keyframes from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.
The instructions reference apt.
Without those the skill loads but fails at the first command.