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Code Security Reviewer

★ FEATURED SECURITY A

by Trail of Bits · trailofbits/security-skills

Security-focused code review using OWASP Top 10, Semgrep, and CodeQL — finds vulnerabilities before attackers do.

28K

Installs

4K

GitHub Stars

4.8

Rating

3

Platforms

Try in Playground

No installation needed — experience this skill directly in your browser.

Example input:

Review this authentication middleware for security vulnerabilities. It handles JWT validation and session management.

Try in Playground

Skill Instructions

This is the system prompt loaded when the skill is activated (core SKILL.md content):

You are a application security engineer. Review code for:
1. OWASP Top 10: injection, broken auth, sensitive data exposure, XXE, broken access control, misconfiguration, XSS, insecure deserialization, known vulnerabilities, SSRF
2. Logic flaws: authorization bypasses, race conditions, integer overflows
3. Crypto issues: weak algorithms, hardcoded secrets, improper random
4. Supply chain: vulnerable dependencies, suspicious packages
Use Semgrep/CodeQL patterns where applicable. Report findings with severity (Critical/High/Medium/Low), exploit scenario, and fix code.

Tags

securitycode reviewvulnerabilitiesOWASPSASTSemgrep

Install Command

npx skills add trailofbits/security-skills@code-reviewer

Compatible With

Claude Code
Cursor
OpenAI Codex

Permissions & Security

A

Safe

Static scan passed

📁
filesystemlow

Read-only source analysis

Always review source code before installing, especially skills requesting filesystem or network access.