Agent Skills

SKILL.md packages that extend Claude Code, Cursor, Copilot, and other AI agents.

Trust Score Usefulness Recommended Stars Latest

Filters

Grill (Adversarial Code Challenge)

specialist-agent

Performs adversarial stress-testing of code to find edge cases, race conditions, security holes, and logical flaws before deployment.

securitycode-reviewtesting

7 triggers

Testing for XSS Vulnerabilities with Burp Suite

Anthropic Cybersecurity Skills

Guided workflow to identify, validate, and document reflected, stored, and DOM-based XSS using Burp Suite (scanner, repeater, intruder, DOM Invader).

cybersecurityxsspenetration-testing

23,316

7 triggers

Codex Security Review

codex_skill

Perform security-focused code reviews aligned to OWASP Top 10 and CWE patterns; produces grouped findings, risk summary, and remediation guidance.

securitycode-reviewowasp

6 triggers

Performing SSL/TLS Security Assessment

xalgorix

Use sslyze to assess SSL/TLS server configurations: supported protocols, cipher suites, certificate chains, HSTS/OCSP, and common vulnerabilities like Heartblee

cybersecuritynetwork-securityssl

627

7 triggers

API Security Testing Workflow

antigravity-awesome-workspace-skill

A comprehensive security testing framework for REST and GraphQL APIs, covering auth, rate limiting, and input validation.

api-securitypenetration-testinggraphql

6 triggers

Hunt SharePoint

claude-bughunter

Enumerate and assess on-prem Microsoft SharePoint servers for version disclosure, anonymous endpoints, legacy SOAP login abuse, ToolShell preconditions (CVE-202

securitybug-bountysharepoint

2,450

8 triggers