Reference for writing and editing agent skills well — the vocabulary and principles that make a skill predictable. Consult when authoring, reviewing, or pruning a SKILL.md.
Install
npx skills add trailofbits/skills-curated --skill writing-great-skillsnpx skills add trailofbits/skills-curated --skill writing-great-skills -a claude-code -gnpx skills add trailofbits/skills-curated --skill writing-great-skills -a codex -ggemini skills install https://github.com/trailofbits/skills-curated.git --path plugins/productivity/skills/writing-great-skillsgh skill install trailofbits/skills-curated writing-great-skillsgit clone --depth 1 https://github.com/trailofbits/skills-curated /tmp/trailofbits__skills-curated
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/trailofbits__skills-curated/plugins/productivity/skills/writing-great-skills ~/.claude/skills/writing-great-skills # Claude Code
cp -R /tmp/trailofbits__skills-curated/plugins/productivity/skills/writing-great-skills ~/.agents/skills/writing-great-skills # Codex, Cursor, Gemini CLI, Copilot, OpenCode