skills

Trail of Bits Skills Marketplace A Claude Code plugin marketplace from Trail of Bits providing skills to enhance AI-assisted security analysis, testing, and development workflows. Codex can load this marketplace through its Claude marketplace compatibility. Also see: claude-code-config ·...

claude-code-security-audit

Claude Code Security Audit & CVE-2026-21852 Scanner A security audit and environment hardening tool for Anthropic's Claude Code agentic CLI. Scans repositories for CVE-2026-21852 pre-trust execution surfaces, hook hijacking, malicious base URL redirection, and unauthenticated token exfiltration...

claude-project-scanner

Claude Project Scanner Read-only Claude Code skill that scans third-party projects for known security risks before you open them. Catches the attack patterns documented in: CVE-2025-59536 Claude Code Lifecycle Hooks injection CVE-2025-61260 OpenAI Codex CODEXHOME injection CVE-2025-54136 Cursor...

claude-code-guardrails

We have since built a dedicated product to help developers manage AI permissions better, which we intend to make open source. Check it out atstoplight.ai. Claude Code Guardrails settings.json works if: You're fine editing JSON and killing Claude Code sessions every time policy changes Your securi...

defending-code-reference-harness

Defending Code Reference Harness A reference implementation for autonomous vulnerability discovery and remediation with Claude, based on our learnings from partnering with security teams at several organizations since launching Claude Mythos Preview. For a write up of these learnings along with...

Claude-BugHunter

claude-bughunter A self-contained Claude skill bundle for bug hunting and external red-team work · 83 skills · 15 slash commands · 681 disclosed-report patterns 433 now individually cited & auditable across 24 core vulnerability classes · enterprise identity + infrastructure attack matrices ·...

pentest-ai-agents

pentest-ai-agents 50 Claude Code subagents for penetration testing. Quick Start | Cheatsheet | Coverage | Agents | Examples Table of Contents What's New in v3.3 What's New in v3.2 Agent Map What's New in v3.1 Quick Start Cheatsheet Coverage Agents Tier 1 vs Tier 2 Examples Running Tools in a...

security-skills

Security Skills for Claude Code A plugin marketplace of Claude Code skills that automate security operations. Install individual skills to automate specific platforms, or combine several for end-to-end integration across your security stack. Available Skills Skill| Platform| What It Does...

honeyslop

honeyslop - code canaries to quickly triage hallucinated "slop" vulnerability reports honeyslop is code canaries, decoys, for open-source projects drowning in AI-hallucinated "slop" and unverified vulnerability reports. With such adversarial noise injection, a slop scanner ingests the canary, the...

nova-tracer

Nova-tracer Agent Monitoring and Visibility Security monitoring and prompt injection defense for Claude Code using the NOVA Framework. Features Session Tracking - Captures all tool usage with timestamps and metadata Prompt Injection Detection - Three-tier scanning keywords, semantic ML, LLM -...

claude-code-backdoor

Claude Code Backdoor PoC A Proof of Concept demonstrating how Claude Code Anthropic's CLI AI agent hooks can be leveraged for Initial Access and Persistence. ⚠️ Disclaimer This project is for educational and ethical security testing purposes only. Unauthorized access to computer systems is illegal...

juice-shop

OWASP Juice Shop The most trustworthy online shop out there. @dschadow — The best juice shop on the whole internet! @shehackspurple — Actually the most bug-free vulnerable application in existence! @vanderaj — First you 😂😂then you 😢 @kramse — But this doesn't have anything to do with juice...

write-ups

write-ups RCE in Github Desktop v2.9.4 RCE via gh run download GitHub CLI Claude Code: unsandboxed code execution from prompt injection via .git worktree confusion — CVE-2026-55607...

yolo-cage

yolo-cage: autonomous coding agents that do no harm You're a responsible engineer. You'd never just let an AI run roughshod through your most sensitive systems and codebases. That's why you'd never just shut off the safeguards for a tool like Claude Code. It asks permission for every dangerous...

android-reverse-engineering-skill

Android Reverse Engineering & API Extraction — Claude Code skill A Claude Code skill that decompiles Android APK/XAPK/JAR/AAR files and extracts the HTTP APIs used by the app — Retrofit endpoints, OkHttp calls, hardcoded URLs, authentication patterns — so you can document and reproduce them witho...

ctf-skills

ctf-skills Agent Skills for solving CTF challenges — web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more. Works with any tool that supports the Agent Skills spec, including Claude Code. Installation npx skills add ljagiello/ctf-skills Environment Setup Two setup...

cve-2026-54316-lab

CVE-2026-54316 — Claude Code WebFetch HuggingFace exfiltration lab A self-contained, disposable lab that reproduces GHSA-fg94-h982-f3mm / CVE-2026-54316: Claude Code pre-approved huggingface.co as a bare hostname for the WebFetch tool, so any path on that domain — including attacker-controlled...

red-clippy

Red Clippy Your agent tests. Red Clippy keeps the record. Open-source pentest management built to be operated by an AI agent. Connect it to Claude Code over MCP and it runs the engagement alongside you: scope and assets, recon observations, methodology coverage, and findings with CVSS and evidenc...

OWASP-WSTG-Rag

OWASP WSTG RAG A Retrieval-Augmented Generation RAG system that indexes the OWASP Web Security Testing Guide WSTG into a vector database, providing instant access to security testing methodologies via REST API and MCP Model Context Protocol for Claude Code integration. Features Complete WSTG...

safer-dependencies

Safer Dependencies for Claude Code When AI coding assistants like Claude add packages to your project, they often pick whatever version sounds right — without checking whether it has known security vulnerabilities, whether the package is still actively maintained, or whether the name is a typo aw...