mukul975/Anthropic-Cybersecurity-Skills
817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0
Build with Backblaze B2
SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.
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Where it stands
Rank, growth pace and release cadence relative to everything GStars tracks.
No releases in the last 90 days; the most recent was 136 days ago, with 15 contributors on GitHub.
Peaked at #4 in the weekly ranking the week of Jul 19, its best in the past year.
Use Cases & Benefits
- Provides a comprehensive library of 817 structured cybersecurity skills mapped to six major frameworks for AI agents.
- Enables AI agents to perform expert-level security analysis and incident response by following practitioner workflows across multiple security domains.
- Use for enhancing AI-driven threat hunting and malware analysis with step-by-step, framework-aligned skills.
- Use for automating compliance and governance tasks by leveraging skills mapped to NIST CSF 2.0 and AI risk management frameworks.
- Use for integrating advanced cybersecurity capabilities into AI code assistants and autonomous agents across 26+ platforms.
Should you depend on it?
License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.
License
Apache 2.0
Permissive: commercial use, modification and redistribution are allowed with attribution; includes an explicit patent grant from contributors.
Community files
- README: present
- Contributing guide: present
- Code of conduct: present
Watch-outs
No watch-outs from GStars' checks.
General guidance from repository metadata, not legal advice. How we score
From the README
817 production-grade cybersecurity skills · 29 security domains · 6 framework mappings · 26+ AI platforms
⚠️ Community Project — This is an independent, community-created project. Not affiliated with Anthropic PBC.
A junior analyst knows which Volatility3 plugin to run on a suspicious memory dump, which Sigma rules catch Kerberoasting, and how to scope a cloud breach across three providers. Your AI agent doesn't — unless you give it these skills.
This repo contains 817 structured cybersecurity skills spanning 29 security domains, each following the agentskills.io open standard. Every skill is mapped to six industry frameworks — MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, MITRE D3FEND, NIST AI RMF, and the MITRE Fight Fraud Framework (F3) — making this the only open-source skills library with unified cross-framework coverage. Clone it, point your agent at it, and your next security investigation gets expert-level guidance in seconds.
No other open-source skills library maps every skill to all of these frameworks. One skill, six compliance checkboxes.
Example — a single skill maps across all six:
Daily snapshots
Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots
+7,779 stars over 82 days across 15 snapshot days; best day +759 on Aug 18.
Forks
4.3K+962
Open issues
68+22
Compared with peers in AI Agents
Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth
| Repository | Stars | +7d | Health | Last release |
|---|---|---|---|---|
| morluto/rea | 450.0K | +22.9K | 75 | 16 days ago |
| vercel-labs/agent-desktop | 21.4K | +8.7K | 75 | 5 days ago |
| milind-soni/OpenMausBot | 20.6K | +8.4K | 75 | today |
| stablyai/orca | 121.4K | +6.7K | 75 | today |
| thedotmack/claude-mem | 115.8K | +4.7K | 75 | today |
| mukul975/Anthropic-Cybersecurity-Skills | 35.7K | — | 37 | 136 days ago |
| Category median | 115.8K | +8.4K | 75 | — |
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