codingOfficial Anthropic

MCP Builder

Create high-quality MCP servers in Python (FastMCP) or TypeScript to integrate external APIs and services.

@vibecodeApril 14, 2026

Works with:Claude CodeClaude Projects

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Official Anthropic skill for building Model Context Protocol (MCP) servers.

MCP servers let Claude connect to external tools, APIs, and data sources. This skill guides you through:

- Setting up a Python server with FastMCP
- Setting up a TypeScript server with the MCP SDK
- Defining tools with proper schemas
- Handling authentication and secrets
- Resource endpoints for data access
- Prompt templates
- Testing and debugging MCP servers
- Deployment patterns (local, remote HTTP, MCPB)

Build servers that connect Claude to databases, APIs, file systems, and any external service.

How to Install

Add to Claude Code:
```
claude install anthropics/skills/mcp-builder
```

Then describe the MCP server you want to build.

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