head to head · open source
SkillSpector vs vArmor
SkillSpector has 23,981 GitHub stars, 2,070 forks, 136 open issues and last shipped yesterday. vArmor has 512 stars, 71 forks, 3 open issues and last shipped yesterday. SkillSpector leads on adoption by 4,584% (23,981 vs 512 stars). SkillSpector is written in Python under Apache-2.0; vArmor is written in Go under Apache-2.0. SkillSpector has attracted 9% as many forks as stars, vArmor 14%. 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 | vArmor | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 512 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.1K | ⑂ 71 |
| 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 vArmor if
- You want the vArmor feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and vArmor 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 vArmor
English 简体中文 日本語 vArmor is a cloud native container hardening system. It leverages Linux's AppArmor LSM, BPF LSM, Seccomp, and Network Proxy (Envoy based sidecar) technologies to implement enforcers. It can be used to strengthen container isolation, reduce the kernel attack surface, enforce network egress access control at L4/L7 levels — including TLS MITM for decrypted HTTPS inspection, HTTP header injection, and anti Domain Fronting protection — and increase the difficulty and cost of container escape or lateral movement attacks. You can leverage vArmor in the following scenarios to provide sandbox protection…
read the full vArmor overview →
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Frequently asked questions
Is SkillSpector or vArmor more popular?
SkillSpector has 23,981 GitHub stars and vArmor has 512. SkillSpector has the larger community by that measure.
Are SkillSpector and vArmor free?
Both are open source. SkillSpector is licensed under Apache-2.0 and vArmor under Apache-2.0. Neither carries a licence fee.
What is the difference between SkillSpector and vArmor?
SkillSpector is written in Python and vArmor 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, SkillSpector or vArmor?
Choose SkillSpector if you want the larger community (23,981 stars) or its Apache-2.0 licence terms. Choose vArmor if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.