Threat-model-driven security audit of a change. Build a threat model from the diff, PR, commits, and product purpose, then assess the implementation against each threat. Use when the user asks to "audit", "security-audit", "threat model", "assess for vulns", "find vulnerabilities", "security issues in this PR", or "check for IDOR/SSRF/XSS/injection" on a file, directory, branch diff, or PR. Covers access control, injection, auth/secrets, sensitive data, business logic, web boundary, and AI agent/LLM trifecta risks. Produces severity- and confidence-ranked findings with data flow, exploit request, and fix — no theoretical or defense-in-depth nits. Handles the GitHub review follow-up for a PR target and a reproducer test plus fix for a local branch.
Audits Rails application security against OWASP Top 10, detects vulnerabilities with Brakeman, and verifies Pundit authorization policies. Use when the user wants a security audit, vulnerability scan, or when user mentions security, OWASP, Brakeman, XSS, SQL injection, or authorization. WHEN NOT: Implementing security fixes (use specialist agents), setting up authentication (use authentication-flow), or writing Pundit policies (use policy-agent).
Run a deep security audit of Argos — or of one area of it — that ends in verified findings, a fix with a guard test for each contained one, and a private report of the rest. Covers GraphQL and REST authorization, multi-tenant isolation, authentication (sessions, SAML, SCIM, OAuth, passkeys, CLI login, CI tokens), webhooks and outgoing requests, uploads and deployments, and client-side redirects and XSS. Use whenever someone asks for a security audit, pentest, vulnerability hunt or threat-model review, asks to "find security holes" or "check for breaches", wants to know whether tenants or roles are properly isolated, or asks to review an area (SAML, the REST API, webhooks…) for vulnerabilities. For a review of only the pending diff on a branch, the lighter built-in security review fits better.
Security best practices and vulnerability prevention for Golang — injection (SQL, command, XSS), cryptography, path traversal, SSRF and HTTP security headers, cookies, secrets management, memory safety, PII in logs, STRIDE/DREAD threat modeling, plus `gosec` SAST, race detection, and fuzz testing. Apply when writing, reviewing, or auditing Go code for security, or when touching crypto, file or network I/O, secrets, user input, or authentication. Not for non-exploitable defensive bugs such as nil panics or slice aliasing (→ See `samber/cc-skills-golang@golang-safety` skill), dependency vulnerability scanning with govulncheck (→ See `samber/cc-skills-golang@golang-dependency-management` skill), or wiring security scanners into CI pipelines (→ See `samber/cc-skills-golang@golang-continuous-integration` skill).
Comprehensive Magento 2 security scanning skill that checks for vulnerabilities, misconfigurations, outdated dependencies, security patches, and compliance with security best practices.
Analyze Android or iOS game-security trust boundaries, packages, native code, platform integrity, instrumentation, attestation, and signing. Use when mobile OS or device behavior is central.
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Analyze REST/RPC/API security design — use for BOLA/BFLA, mass assignment, auth on endpoints, rate limits, inventory gaps, and unsafe outbound API consumption (OWASP API Top 10 2023).
Covers AWS security services and workflows — Security Hub V2 (OCSF) findings, connectors, aggregators, automation rules, and security posture summaries; Security Hub CSPM (V1/ASFF) controls and compliance standards; GuardDuty threat findings; Inspector vulnerability findings; Macie sensitive data findings; Detective investigation; and Security Lake configuration and data aggregation. Applicable when questions involve security posture, Exposure findings, CSPM failed controls, threat findings, vulnerability findings, sensitive data findings, automation rules, or cross-service security configuration across AWS environments. Procedures use standard AWS CLI syntax and work with or without the AWS MCP server.
name: ai-security
description: Use when assessing AI/ML systems for prompt injection, jailbreak vulnerabilities, model inversion risk, data poisoning exposure, or agent tool abuse. Covers MITRE ATLAS technique mapping, injection
Plain text files in a repository that tell a coding agent how the project works: commands to run, conventions to follow and things to avoid. CLAUDE.md, AGENTS.md, cursor rules and skills are the common kinds.
CLAUDE.md or AGENTS.md?
CLAUDE.md is read by Claude Code. AGENTS.md is an open format that Codex, Cursor and other agents read. Many projects keep one and point the other at it.
What is a skill?
A folder with a SKILL.md that describes one capability, such as filling PDFs or reviewing code. The agent loads it only when the task calls for it.
Can I search my own team's files too?
Your agents already can, over MCP, limited to the files you're allowed to read. Searching them from this page is coming.
PostHogReads credentialsSkill
