AI repos for security engineers

Open-source AI projects worth it for people who secure systems, do pentesting, DevSecOps and AI red teaming, each with what it does for you. 14 repos, most relevant first.

  1. rea Let an agent inspect binaries, Electron apps and .NET assemblies via Ghidra, IDA or Hopper and return evidence. Coding agents & dev tools367.1k
  2. strix Autonomous agents pentest web apps and APIs and confirm each finding with a working proof-of-concept exploit. Infrastructure & security71.2k5.2k
  3. Anthropic-Cybersecurity-Skills 800+ agent playbooks for threat hunting, forensics and red teaming mapped to MITRE ATT&CK and NIST. Agent skills & plugins34.9k1.2k
  4. SkillSpector Scans agent skills and MCP tools for prompt injection and exfiltration, with SARIF output for CI gating. Infrastructure & security21k2k
  5. android-reverse-engineering-skill Decompile APKs, extract HTTP endpoints and auth patterns, and triage suspicious apps with Claude Code. Agent skills & plugins8.3k314
  6. NemoClaw Run agents inside OpenShell sandboxes with network policy to limit what an agent can reach. Infrastructure & security22.8k169
  7. ECC AgentShield scans agent hooks, MCP config and permissions for risky settings. Agent skills & plugins286.6k15.8k
  8. gstack Includes a security audit role to review changes with Claude Code. Agent skills & plugins137.3k2.6k
  9. system_prompts_leaks Study leaked prompts to understand model guardrails and prompt-extraction exposure for AI red teaming. Learning & resource lists70.1k1.3k
  10. CloakBrowser Patched Chromium with fingerprint changes to study bot detection and test defenses on authorized sites. Browser & computer use32.4k566
  11. CubeSandbox Isolates untrusted LLM-generated code in separate VMs instead of on host machines. Infrastructure & security13k228
  12. camoufox Study browser fingerprinting and test how bot-detection defenses respond to a spoofed Firefox. Browser & computer use12.7k
  13. peerd Review a no-backend agent design with documented sandboxing and security model. Browser & computer use4214
  14. claude-code-mastery-project-starter-kit Study hooks and rules that guard against secrets and unsafe commits in agent workflows. Coding agents & dev tools3436

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