How do I install the Security Review Advanced Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/security-review-advanced/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

ClaudSkills / Security / web-security

Security Review Advanced

Category: Security · Sub-category: web-security · Last updated: 2026-05-21

type:review

Security anti-patterns — localStorage token storage (XSS risk), trusting client-side authorization checks, reflecting full error details to clients, blacklist vs whitelist input validation, using npm install instead of npm ci in CI pipelines.

From the source SKILL.md

This skill extends security-review with common security mistakes and how to fix them. Load security-review first.

What this skill does

Security Review Advanced is a community-contributed Claude Code skill in the web-security sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/security-review-advanced/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Security Review Advanced Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/security-review-advanced
curl -L https://claudskills.com/skills/security-review-advanced/SKILL.md \
  -o ~/.claude/skills/security-review-advanced/SKILL.md

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

Skills live at ~/.claude/skills/security-review-advanced/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\security-review-advanced\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.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

Source: https://github.com/marvinrichter/clarc/blob/HEAD/skills/security-review-advanced/SKILL.md
License: MIT
Author: marvinrichter
Website: https://marvinrichter.github.io/clarc

More Security skills

Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills

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

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel

Security Review Advanced

From the source SKILL.md

What this skill does

Who uses this skill

How to install

Manual install (2 steps)

One-click install via the desktop app

Attribution & license

More Security skills

Categories

Use cases

Popular tags

Learn

Site