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Codex Skills Docs

OpenAI’s documentation for skills in Codex CLI, IDE and app.

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About Codex Skills Docs

Explains where Codex discovers skills (user, project and system locations), how to invoke them with /skills or $-mentions, and Codex-specific metadata.

FAQ

What is Codex Skills Docs?

OpenAI’s documentation for skills in Codex CLI, IDE and app.

Which agents does Codex Skills Docs work with?

OpenAI Codex.

Is Codex Skills Docs free?

Yes, it is free to use.

Alternatives to Codex Skills Docs?

Agent Skills Specification, Model Context Protocol, skill-creator, Skills CLI (skills.sh), Anthropic Example Skills.

Similar to Codex Skills Docs

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Agent Skills Specification

The open standard behind SKILL.md skills, with the spec and list of supporting tools.

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Model Context Protocol

Official MCP site: specification, concepts, SDKs and guides.

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◆ SKILL★

skill-creator

A skill that interviews you and writes a new, well-structured skill.

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Skills CLI (skills.sh)

The npx skills package manager: install SKILL.md skills into any supported agent.

npx skills add <github-repo-url>
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▣ PLUGIN

Anthropic Example Skills

Anthropic’s collection of example skills: skill-creator, MCP builder, frontend design, web app testing and more.

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Awesome Claude Skills

Curated list of Claude skills across the ecosystem.

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Awesome Codex Skills

Curated list of skills for OpenAI Codex.

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Claude Agent Skills Docs

Anthropic’s documentation for using and writing skills in Claude, Claude Code and the API.

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FastMCP

The fast, Pythonic way to build MCP servers and clients.

pip install fastmcp
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