head to head · open source
SkillSpector vs AI-Infra-Guard
SkillSpector has 23,981 GitHub stars, 2,070 forks, 136 open issues and last shipped yesterday. AI-Infra-Guard has 7,335 stars, 725 forks, 35 open issues and last shipped yesterday. SkillSpector leads on adoption by 227% (23,981 vs 7,335 stars). SkillSpector is written in Python under Apache-2.0; AI-Infra-Guard is written in Python under Apache-2.0. SkillSpector has attracted 9% as many forks as stars, AI-Infra-Guard 10%. SkillSpector was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (agent-security, agentic-ai, 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 | AI-Infra-Guard | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 7.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.1K | ⑂ 725 |
| 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 AI-Infra-Guard if
- You want the AI-Infra-Guard feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and AI-Infra-Guard 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 AI-Infra-Guard
📖 Documentation 🌐 🇨🇳 中文 · 🇯🇵 日本語 · 🇪🇸 Español · 🇩🇪 Deutsch · 🇫🇷 Français · 🇰🇷 한국어 · 🇧🇷 Português · 🇷🇺 Русский 🚀 AI Red Teaming Platform by Tencent Zhuque Lab A.I.G (AI Infra Guard) integrates capabilities such as ClawScan(OpenClaw Security Scan), Agent Scan，AI infra vulnerability scan, MCP Server & Agent Skills scan, and Jailbreak Evaluation, aiming to provide users with the most comprehensive, intelligent, and user friendly solution for AI security risk self examination. We are committed to making A.I.G(AI Infra Guard) the industry leading AI red teaming platform. More stars help this project…
read the full AI-Infra-Guard overview →
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Frequently asked questions
Is SkillSpector or AI-Infra-Guard more popular?
SkillSpector has 23,981 GitHub stars and AI-Infra-Guard has 7,335. SkillSpector has the larger community by that measure.
Are SkillSpector and AI-Infra-Guard free?
Both are open source. SkillSpector is licensed under Apache-2.0 and AI-Infra-Guard under Apache-2.0. Neither carries a licence fee.
What is the difference between SkillSpector and AI-Infra-Guard?
SkillSpector is written in Python and AI-Infra-Guard in Python. 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 AI-Infra-Guard?
Choose SkillSpector if you want the larger community (23,981 stars) or its Apache-2.0 licence terms. Choose AI-Infra-Guard if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.