Semgrep Rule Engine

Quality score: 70/100 · Category: Security · Sub-category: appsec-tools

Executes Semgrep static analysis using the semgrep CLI with custom YAML rule definitions. Supports taint tracking, metavariable comparisons, and pattern-not-inside exclusions for precise vulnerability detection.

What this skill does

Semgrep Rule Engine is a production-ready Claude Code skill (quality score 70/100) in the appsec-tools sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/semgrep-rule-engine/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Semgrep Rule Engine skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/semgrep-rule-engine
curl -L https://claudskills.com/skills/semgrep-rule-engine/SKILL.md \
  -o ~/.claude/skills/semgrep-rule-engine/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/semgrep-rule-engine/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/semgrep-rule-engine/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\semgrep-rule-engine\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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