Create, synthesize, and iteratively improve agent skills following the Agent Skills specification. Use when asked to "create a skill", "write a skill", "synthesize sources into a skill", "improve a skill from positive/negative examples", "update a skill", or "maintain skill docs and registration". Handles source capture, precision passes, authoring, registration, and validation.
Install
npx skills add getsentry/skills --skill skill-writernpx skills add getsentry/skills --skill skill-writer -a claude-code -gnpx skills add getsentry/skills --skill skill-writer -a codex -ggemini skills install https://github.com/getsentry/skills.git --path skills/skill-writergh skill install getsentry/skills skill-writergit clone --depth 1 https://github.com/getsentry/skills /tmp/getsentry__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/getsentry__skills/skills/skill-writer ~/.claude/skills/skill-writer # Claude Code
cp -R /tmp/getsentry__skills/skills/skill-writer ~/.agents/skills/skill-writer # Codex, Cursor, Gemini CLI, Copilot, OpenCode