Semgrep

Quality score: 85/100 · Category: Security · Sub-category: appsec-tools

type:audit

Run Semgrep static analysis scan on a codebase using parallel subagents. Supports two scan modes — "run all" (full ruleset coverage) and "important only" (high-confidence security vulnerabilities). Automatically detects and uses Semgrep Pro for cross-file taint analysis when available. Use when asked to scan code for vulnerabilities, run a security audit with Semgrep, find bugs, or perform static analysis. Spawns parallel workers for multi-language codebases.

What this skill does

Semgrep is a well-rated Claude Code skill (quality score 85/100) in the appsec-tools sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/semgrep/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when asked to scan code for vulnerabilities, run a security audit with Semgrep, find bugs, or perform static analysis. Spawns parallel workers for multi-language codebases.

Who uses this skill

The Semgrep 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
curl -L https://claudskills.com/skills/semgrep/SKILL.md \
  -o ~/.claude/skills/semgrep/SKILL.md

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

Skills live at ~/.claude/skills/semgrep/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\semgrep\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