mcp-builder
Skill for designing and building high-quality MCP servers.
Install
# Claude Code (part of example-skills)
/plugin marketplace add anthropics/skills
/plugin install example-skills@anthropic-agent-skills
Commands change between releases — if something fails, check the official README.
About mcp-builder
mcp-builder walks an agent through planning an MCP server's tools, implementing it with the official SDKs, and evaluating it with realistic test questions.
Use it when you want your API or product to be usable from AI agents.
FAQ
What is mcp-builder?
Skill for designing and building high-quality MCP servers.
How do I install mcp-builder?
Run: /plugin marketplace add anthropics/skills. Full steps are in the Install section on this page.
Which agents does mcp-builder work with?
Claude Code, Claude apps, OpenAI Codex, Gemini CLI, Cursor, VS Code & Copilot.
Is mcp-builder free?
Yes. It is open source (Apache-2.0).
Alternatives to mcp-builder?
Agent Skills Specification, Model Context Protocol, skill-creator, Skills CLI (skills.sh), Anthropic Example Skills.