§ RESOURCE★
Agent Skills Specification
The open standard behind SKILL.md skills, with the spec and list of supporting tools.
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🛠️ Build Skills & MCP
Specs, SDKs, registries and skills for creating your own Agent Skills and MCP servers.
§ RESOURCE★
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.
/plugin marketplace add anthropics/skills
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§ RESOURCE★
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.
/plugin marketplace add anthropics/skills
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§ RESOURCE
Awesome Claude Skills
Curated list of Claude skills across the ecosystem.
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§ RESOURCE
Awesome Codex Skills
Curated list of skills for OpenAI Codex.
OpenAI Codex
§ RESOURCE
Claude Agent Skills Docs
Anthropic’s documentation for using and writing skills in Claude, Claude Code and the API.
Claude appsClaude Code
§ RESOURCE
Codex Skills Docs
OpenAI’s documentation for skills in Codex CLI, IDE and app.
OpenAI Codex
§ RESOURCE
FastMCP
The fast, Pythonic way to build MCP servers and clients.
pip install fastmcp
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§ RESOURCE
MCP Python SDK
Official Python SDK for building MCP servers and clients.
pip install "mcp[cli]"
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§ RESOURCE
MCP Reference Servers
The small set of reference MCP servers maintained by the MCP project.
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§ RESOURCE
MCP Registry
The official registry of public MCP servers and their metadata.
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§ RESOURCE
MCP TypeScript SDK
Official TypeScript SDK for building MCP servers and clients.
npm install @modelcontextprotocol/sdk
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◆ SKILL
mcp-builder
Skill for designing and building high-quality MCP servers.
/plugin marketplace add anthropics/skills
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Start here if you are building
Read the Agent Skills specification and the MCP docs, then use a skill-creator or MCP-builder skill to scaffold your first project. Publish skills in a public GitHub repo and MCP servers to the official MCP Registry.