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We just open-sourced the largest AI skills library: 930+ production-grade skills and 31 agent personas that work across Claude Code, OpenAI Codex, Gemini CLI, GitHub Copilot, and Perplexity Computer.
One library. Five platforms. Zero setup. Get it on GitHub.
When we open-sourced 930+ AI skills for Claude Code, Codex, Gemini CLI, Copilot, and Perplexity, the first question people asked was: "How do you know these skills actually work?"
Fair question. Most skill and prompt libraries have zero quality assurance — someone wrote a prompt, it seemed to work once, and it got committed. That's not how we do it.
Here's how we evaluate, structure, and maintain quality across 930+ skills at FAOS.