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addyosmani/agent-skills vs NVIDIA/SkillSpector

A side-by-side comparison of pricing, ratings, features, pros and cons.

DescriptionA curated library of 20+ engineering workflow skills for AI coding assistants. Standardizes the software development lifecycle from requirements through shipping, with 7 built-in commands: /spec, /plan, /build, /test, /ship, etc. Built by Google Gemini team lead Addy Osmani. Compatible with Claude Code, Gemini CLI, Codex, and Cursor.Open-source security scanner for AI agent skills from NVIDIA. Scans skills (from Git repos, URLs, zip files, or directories) for risky patterns including prompt injection, data exfiltration, privilege escalation, malicious code, supply-chain issues, and MCP tool poisoning. Uses static analysis plus optional LLM-based semantic review and can be used in CI/CD or as an MCP server.
Category
DeveloperaddyosmaniNVIDIA
Verified StatusNoNo
Last UpdatedSep 2026Sep 2026
Pricing ModelFreeFree
Free PlanYesYes
Open SourceNoNo
Features
24 production-grade engineering skills mapped to 8 lifecycle commands: /spec, /plan, /build, /test, /review, /webperf, /code-simplify, /ship
Skills activate automatically based on context (e.g. API work triggers the API-design skill)
/build auto generates a plan and implements every task in one pass, still test-driven and individually committed
Installs via a CLI supporting 70+ agents, including Claude Code, Cursor, Codex, and GitHub Copilot
Native plugin marketplace install for Claude Code
Individual skills installable one at a time, not just as a full bundle
Scans AI agent skills for 68 vulnerability patterns across 17 categories (prompt injection, data exfiltration, supply chain, etc.)
Two-stage analysis: fast static analysis plus optional LLM semantic evaluation
Cross-references OSV.dev for real-time CVE data with offline fallback
0-100 risk score with severity labels and clear recommendations
Scans Git repos, URLs, zip files, directories, or single files
Baseline/suppression system so re-scans surface only new findings
Reports in terminal, JSON, Markdown, or SARIF format
Tags
builtgeminiaddyosmanicuratedagent-skills
nvidiaskillsskillspectorsecurityopen-source
Review Count00
Saves00
Views9087
Quality Score62/10062/100
Website StatusOnlineOnline
Websitegithub.comgithub.com
Social Links1 linked1 linked
ScreenshotsNoNo
Pros
Free to use
Free to use

Who Should Choose Each Tool?

Choose addyosmani/agent-skills if:

  • Free to use

Choose NVIDIA/SkillSpector if:

  • Free to use

Frequently Asked Questions

Both tools are closely matched on rating — the better fit depends on your specific needs. See the full feature and pricing comparison above.

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