head to head · open source
SkillSpector vs CyberStrike
SkillSpector has 23,981 GitHub stars, 2,070 forks, 136 open issues and last shipped yesterday. CyberStrike has 3,354 stars, 574 forks, 43 open issues and last shipped yesterday. SkillSpector leads on adoption by 615% (23,981 vs 3,354 stars). SkillSpector is written in Python under Apache-2.0; CyberStrike is written in TypeScript under AGPL-3.0. SkillSpector has attracted 9% as many forks as stars, CyberStrike 17%. SkillSpector was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai-security), 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
| SkillSpector | CyberStrike | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 3.4K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.1K | ⑂ 574 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SkillSpector if
- You weight community size — 24K 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 CyberStrike if
- You want the CyberStrike feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and CyberStrike fits your workflow better
About SkillSpector
SkillSpector Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, and security risks before installing agent skills. Overview AI agent skills (used by Claude Code, Codex CLI, Gemini CLI, etc.) execute with implicit trust and minimal vetting. In the 31,132 skill analyzed subset of the research dataset, 26.1% of skills contain vulnerabilities and 5.2% show likely malicious intent . SkillSpector helps you answer: "Is this skill safe to install?" SkillSpector is part of the NVIDIA Verified Skills pipeline, which scans, evaluates, and signs agent skills before publication. Skills that…
read the full SkillSpector overview →
About CyberStrike
English 简体中文 繁體中文 한국어 Deutsch Español Français Italiano Dansk 日本語 Polski Русский Bosanski العربية Norsk Português (Brasil) ไทย Türkçe Українська বাংলা Ελληνικά Tiếng Việt हिन्दी The first open source AI agent built for offensive security. Automated penetration testing from your terminal — plug in your Claude, GPT, or any LLM subscription and turn it into an autonomous red team agent with 13+ specialized agents, 7,600+ security skills, and 120+ OWASP test cases. 150+ AI providers • 5,300+ models • 56+ built in tools • 176+ MCP tools Quick Start • Intelligence Layer • What Makes It…
read the full CyberStrike overview →
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Frequently asked questions
Is SkillSpector or CyberStrike more popular?
SkillSpector has 23,981 GitHub stars and CyberStrike has 3,354. SkillSpector has the larger community by that measure.
Are SkillSpector and CyberStrike free?
Both are open source. SkillSpector is licensed under Apache-2.0 and CyberStrike under AGPL-3.0. Neither carries a licence fee.
What is the difference between SkillSpector and CyberStrike?
SkillSpector is written in Python and CyberStrike in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, SkillSpector or CyberStrike?
Choose SkillSpector if you want the larger community (23,981 stars) or its Apache-2.0 licence terms. Choose CyberStrike if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.