head to head · open source
Anthropic-Cybersecurity-Skills vs Pentest-Swarm-AI
Anthropic-Cybersecurity-Skills has 35,453 GitHub stars, 4,318 forks, 48 open issues and last shipped 2 months ago. Pentest-Swarm-AI has 3,115 stars, 570 forks, 18 open issues and last shipped yesterday. Anthropic-Cybersecurity-Skills leads on adoption by 1,038% (35,453 vs 3,115 stars). Anthropic-Cybersecurity-Skills is written in Python under Apache-2.0; Pentest-Swarm-AI is written in Go under AGPL-3.0. Anthropic-Cybersecurity-Skills has attracted 12% as many forks as stars, Pentest-Swarm-AI 18%. Pentest-Swarm-AI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agents, cybersecurity), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Anthropic-Cybersecurity-Skills | Pentest-Swarm-AI | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 3.1K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | Go |
| Last push | 2026-08-31 | 2026-11-02 |
| Forks | ⑂ 4.3K | ⑂ 570 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Anthropic-Cybersecurity-Skills if
- You weight community size — 35K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Pentest-Swarm-AI if
- You want the Pentest-Swarm-AI feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and Pentest-Swarm-AI fits your workflow better
About Anthropic-Cybersecurity-Skills
Anthropic Cybersecurity Skills The largest open source cybersecurity skills library for AI agents 818 production grade cybersecurity skills · 34 security domains · 6 framework mappings · 26+ AI platforms Get Started · What's Inside · Frameworks · Platforms · Contributing ⚠️ Community Project — This is an independent, community created project. Not affiliated with Anthropic PBC. 🔐 Authorized & lawful use only. This library includes offensive and dual use techniques (e.g. red team C2, phishing simulation, exploitation) intended for authorized penetration testing, security research, defense, and education . Only…
read the full Anthropic-Cybersecurity-Skills overview →
About Pentest-Swarm-AI
The open source XBOW alternative — an autonomous API & web app pentester. Dozens of AI agents don't just scan — they exploit . They chain attacks (BOLA/IDOR, JWT forgery, mass assignment, SSRF, injection), build and score attack paths, and prove real vulnerabilities at machine speed. Built for pentesters · bug bounty hunters · red teamers · security researchers 📖 Documentation · Quick Start · vs. XBOW · Swarm vs. Multi Agent · How It Works · Roadmap Hack at machine speed. 📖 New here? Start with the documentation — quickstart, provider setup, CLI reference, and…
read the full Pentest-Swarm-AI overview →
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Frequently asked questions
Is Anthropic-Cybersecurity-Skills or Pentest-Swarm-AI more popular?
Anthropic-Cybersecurity-Skills has 35,453 GitHub stars and Pentest-Swarm-AI has 3,115. Anthropic-Cybersecurity-Skills has the larger community by that measure.
Are Anthropic-Cybersecurity-Skills and Pentest-Swarm-AI free?
Both are open source. Anthropic-Cybersecurity-Skills is licensed under Apache-2.0 and Pentest-Swarm-AI under AGPL-3.0. Neither carries a licence fee.
What is the difference between Anthropic-Cybersecurity-Skills and Pentest-Swarm-AI?
Anthropic-Cybersecurity-Skills is written in Python and Pentest-Swarm-AI in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Anthropic-Cybersecurity-Skills or Pentest-Swarm-AI?
Choose Anthropic-Cybersecurity-Skills if you want the larger community (35,453 stars) or its Apache-2.0 licence terms. Choose Pentest-Swarm-AI if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.