Appsec OWASP

Category: Security · Sub-category: web-security

Use this skill when securing web applications, preventing OWASP Top 10 vulnerabilities, implementing input validation, or designing authentication. Triggers on XSS, SQL injection, CSRF, SSRF, broken authentication, security headers, input validation, output encoding, OWASP, and any task requiring application security hardening.

What this skill does

Appsec OWASP 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/appsec-owasp/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Appsec OWASP 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 56,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/appsec-owasp
curl -L https://claudskills.com/skills/appsec-owasp/SKILL.md \
  -o ~/.claude/skills/appsec-owasp/SKILL.md

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

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

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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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