MCP Server Builder
Guides you through building a quality MCP server for any API.
What it does
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
Install in under a minute
Mac or Linux, after you download
unzip mcp-server-builder.zip -d ~/.claude/skills/Windows PowerShell
Expand-Archive mcp-server-builder.zip -DestinationPath $HOME\.claude\skills- Start a new Claude Code session so it sees the skill.
- Ask in plain words, for example: "Use MCP Server Builder on this project."
- Unzip the download, then zip just the mcp-server-builder folder if your computer added an extra folder.
- In Claude.ai, open Settings, then Capabilities, and upload it under Skills.
- Turn the skill on and ask Claude to use it.
MCP Server Builder uses the open SKILL.md format, so it also works in agents like Cursor, Gemini CLI, GitHub Copilot and Codex. Copy the mcp-server-builder folder into that agent's skills folder, for example .cursor/skills/ or .github/skills/ in your project.
What's inside
The 3 main sections of the SKILL.md, in order.
- Overview
- 🚀 High-Level Workflow
- 📚 Documentation Library
In the download: 11 files, including SKILL.md, LICENSE and NOTICE.md
Credit and license
MCP Server Builder is a renamed, packaged copy of mcp-builder by Anthropic (github.com/anthropics/skills), used under the Apache-2.0 license. The license and a list of changes ship inside the download.
Questions
Does MCP Server Builder work in Claude.ai, not just Claude Code?
Yes. In Claude.ai, upload the mcp-server-builder folder as a zip in Settings under Capabilities. It also works in other agents that support Agent Skills, like Cursor, Gemini CLI and GitHub Copilot.
What do I get?
A zip with the mcp-server-builder folder: its SKILL.md (13,695 words) and its license files. One payment, instant download.
Who made MCP Server Builder?
It's a renamed, packaged copy of mcp-builder by Anthropic, used under the Apache-2.0 license. The license and a list of changes ship inside the download.