
/plugin marketplace add anthropics/skillsmcp-builder — A guide to building high-quality MCP (Model Context Protocol) servers so LLMs can call external services through well-designed tools — in Python (FastMCP) or Node/TypeScript (MCP SDK).
What is mcp-builder?
mcp-builder is a skill (a capability for AI agents such as Claude, Codex and Cursor) on GitHub (anthropics/skills). A guide to building high-quality MCP (Model Context Protocol) servers so LLMs can call external services through well-designed tools — in Python (FastMCP) or Node/TypeScript (MCP SDK).
How to install mcp-builder
See the ⚡ Quick install section at the top of the page — it has a ready-to-copy command taken from the author’s README, plus where to run it. For the full instructions, see the README at the end of the page.
Frequently asked questions about mcp-builder
Is mcp-builder free?
Yes. mcp-builder is an open-source project on GitHub, so you can download and use it for free.
Is mcp-builder hard to install?
No. You only need to run one command above.
Download & source code
The source code, README and latest updates of mcp-builder are at github.com/anthropics/skills/skills/mcp-builder. The star count and update date on this page sync automatically from GitHub.
📖 Full guide
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