MCP Builder

Build high-quality MCP (Model Context Protocol) servers to integrate external APIs and services. Supports Python (FastMCP) and Node/TypeScript (MCP SDK) implementations.

Comprehensive guide for creating MCP servers that enable LLMs to interact with external services through well-designed tools. Covers the full development lifecycle in four phases, supporting both Python FastMCP and Node/TypeScript MCP SDK implementations.

When to use

Use when building MCP servers to integrate external APIs or services with Claude or other LLMs.

Examples

Build a REST API MCP

Create an MCP server wrapping an existing REST API

Build an MCP server for my company's REST API at api.example.com

Python FastMCP server

Create a Python MCP server using FastMCP

Create a FastMCP server that integrates with our Postgres database