Creates custom Semgrep rules for detecting security vulnerabilities, bug patterns, and code patterns. Use when writing Semgrep rules or building custom static analysis detections.
Install
npx skills add trailofbits/skills --skill semgrep-rule-creatornpx skills add trailofbits/skills --skill semgrep-rule-creator -a claude-code -gnpx skills add trailofbits/skills --skill semgrep-rule-creator -a codex -ggemini skills install https://github.com/trailofbits/skills.git --path plugins/semgrep-rule-creator/skills/semgrep-rule-creatorgh skill install trailofbits/skills semgrep-rule-creatorgit clone --depth 1 https://github.com/trailofbits/skills /tmp/trailofbits__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/trailofbits__skills/plugins/semgrep-rule-creator/skills/semgrep-rule-creator ~/.claude/skills/semgrep-rule-creator # Claude Code
cp -R /tmp/trailofbits__skills/plugins/semgrep-rule-creator/skills/semgrep-rule-creator ~/.agents/skills/semgrep-rule-creator # Codex, Cursor, Gemini CLI, Copilot, OpenCode