The command that works is `npx skills add remotion-dev/skills -a claude-code -y`, which copied 12 Remotion skills (2.9 MB) into `.claude/skills` in 7 seconds, while `claude skill add remotion`
A single headless Claude Code prompt produced a working 6-second 1080p title card in 4 turns, 25.9 seconds and $0.13, and the render came out at 33.9 kB.
The agent left the font unset, so the text rendered in a serif fallback, and a wrong composition ID fails with `Could not find composition with ID`, which is the first error most people hit.