Codex
.agents/skills/web-design-guidelines/SKILL.mdCodex reads `.agents/skills/` as its primary location, which is also the cross-platform default other clients honour.
Project install
mkdir -p .agents/skills/web-design-guidelines && curl -fsSL 'https://raw.githubusercontent.com/vercel-labs/agent-skills/main/skills/web-design-guidelines/SKILL.md' -o .agents/skills/web-design-guidelines/SKILL.mdPersonal install
mkdir -p ~/.agents/skills/web-design-guidelines && curl -fsSL 'https://raw.githubusercontent.com/vercel-labs/agent-skills/main/skills/web-design-guidelines/SKILL.md' -o ~/.agents/skills/web-design-guidelines/SKILL.md