Claude mcp-builder skill: guide to building MCP servers
Anthropic’s skill for designing Model Context Protocol (MCP) servers that connect Claude to outside services.
- Type
- Skill
- Publisher
- Anthropic
- Category
- Coding
- Works in
- Claude apps, Claude Code
Its description calls it a guide to creating high-quality MCP servers that let language models use external services through well-designed tools. It is meant for integrating an external API or service, in Python with FastMCP or in Node and TypeScript with the MCP SDK. It ships with Anthropic’s example skills.
Source: skills/mcp-builder in Anthropic’s skills repository.
- What it does
- Guides Claude through building an MCP server for an external API, in Python (FastMCP) or TypeScript (MCP SDK).
- How to install
- Claude apps: turn it on under Customize > Skills (Code execution and file creation must be on).
Claude Code:
/plugin marketplace add anthropics/skills
/plugin install example-skills@anthropic-agent-skills - Source
- github.com
- Last checked
Questions
What is the mcp-builder skill?
It is an Anthropic skill with a guide for creating high-quality MCP servers that let language models use external services through well-designed tools.
Which languages does it cover?
Its description names Python with FastMCP and Node or TypeScript with the MCP SDK.
When should Claude use it?
When you are building an MCP server to integrate an external API or service.
Sources: names, descriptions and install commands come from Anthropic’s skills repository (github.com/anthropics/skills), its official plugin marketplace (github.com/anthropics/claude-plugins-official) and the Claude docs linked on each listing. Promptline is not affiliated with Anthropic.