Security Audit
by Roy Yuen
Professional security audit skill for web apps and APIs with structured severity-based findings and remediation plans.
- Identify vulnerabilities across app entry points and trust boundaries
- Classify security risks using structured severity-based ratings
- Generate detailed remediation plans for authentication and session flaws
$10
· or 50 creditsSecure checkout via Stripe
Included in download
- Identify vulnerabilities across app entry points and trust boundaries
- Classify security risks using structured severity-based ratings
- Ready for Claude Code
- Includes example output and usage patterns
Sample input
Run a security audit on the user profile API and production environment variables. Identify vulnerabilities and provide remediation steps.
Sample output
[HIGH] Auth: Missing CSRF protection on /api/profile. Evidence: user_settings.js L42. Fix: Implement SameSite=Strict cookies and a double-submit token pattern. [MED] Config: Debug mode enabled in production. Evidence: .env.prod L4. Fix: Set APP_DEBUG=false.
Security Audit
by Roy Yuen
Professional security audit skill for web apps and APIs with structured severity-based findings and remediation plans.
$10
· or 50 creditsSecure checkout via Stripe
Included in download
- Identify vulnerabilities across app entry points and trust boundaries
- Classify security risks using structured severity-based ratings
- Ready for Claude Code
- Includes example output and usage patterns
- Instant install
Sample input
Run a security audit on the user profile API and production environment variables. Identify vulnerabilities and provide remediation steps.
Sample output
[HIGH] Auth: Missing CSRF protection on /api/profile. Evidence: user_settings.js L42. Fix: Implement SameSite=Strict cookies and a double-submit token pattern. [MED] Config: Debug mode enabled in production. Evidence: .env.prod L4. Fix: Set APP_DEBUG=false.
About This Skill
What it does
The Security Audit skill provides a professional-grade framework for reviewing web applications, backend services, and APIs for critical security vulnerabilities. It systematically analyzes entry points, trust boundaries, and data paths to identify risks across authentication, session management, input validation, and infrastructure configuration.
Why use this skill
Unlike generic AI prompts that may provide speculative or vague security advice, this skill follows a structured commercial methodology. It focuses on defensible, high-impact risks rather than noise. It automates the "red-teaming" mindset to find insecure defaults and missing hardening steps that developers often overlook during standard code reviews.
Supported tools
- Claude Code
- Codex
- OpenCode
What the output looks like
You receive a structured security report categorized by severity. Each finding includes a concise risk statement, specific evidence from your codebase, and a concrete, actionable remediation plan to fix the vulnerability immediately.
Key coverage areas
- Authentication and Authorization flows
- Input validation and Output safety (XSS/SQLi prevention)
- Dependency hygiene and configuration hardening
- API transport security and exposure
Use Cases
- Identify vulnerabilities across app entry points and trust boundaries
- Classify security risks using structured severity-based ratings
- Generate detailed remediation plans for authentication and session flaws
- Audit API endpoints for common input validation and configuration errors
Known Limitations
- Limited to static analysis; cannot perform dynamic runtime fuzzing.
- Cannot detect logic flaws in third-party compiled binaries.
- Effectiveness depends on access to full source context.
How to Install
mkdir -p ~/.claude/skills && curl -sL https://www.agensi.io/api/install/security-audit -o /tmp/security-audit.zip && unzip -o /tmp/security-audit.zip -d ~/.claude/skills && rm /tmp/security-audit.zipFree skills install directly. Paid skills require purchase - use the download button above after buying.
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Security Scanned
Passed automated security review
Permissions
No special permissions declared or detected
Claude Code, Codex, OpenCode
Frequently Asked Questions
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