mcp-builder

Guide MCP server creation using Python FastMCP and Node/TypeScript SDKs.

Updated Feb 26, 2026
One-click install
npx skills add https://github.com/christhz666/centro-diagnostico-v11 --skill mcp-builder-christhz666
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/christhz666/centro-diagnostico-v11/tree/main/.skills/mcp-builder
Command: npx skills add https://github.com/christhz666/centro-diagnostico-v11 --skill mcp-builder-christhz666

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires @modelcontextprotocol/typescript-sdk, @modelcontextprotocol/python-sdk, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps create high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services. It is a guide for building MCP servers to integrate APIs or services, using Python (FastMCP) or Node/TypeScript (MCP SDK).

Core Features & Use Cases

  • MCP Protocol Documentation: Provides detailed guidance on the MCP specification, architecture, and transport mechanisms.
  • Framework Documentation: Offers documentation for the recommended TypeScript and Python SDKs, including usage patterns and examples.
  • Implementation Guides: Covers project setup, tool registration, input/output schemas, error handling, and more for both languages.
  • Evaluation Guide: Helps create comprehensive evaluations to test the effectiveness of MCP servers.

Quick Start

Use the mcp-builder skill to initialize your MCP server project by running the provided setup commands.

Frequently Asked Questions about mcp-builder

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build an MCP server for LLM integration?

To build an MCP server for LLM integration, use the Python or Node/TypeScript SDKs to set up the project, register tools, define input/output schemas, and handle errors. The process covers protocol specifications and implementation patterns.

What is the Model Context Protocol used for?

The Model Context Protocol is used to enable LLMs to interact with external services and APIs. It provides a standardized specification and architecture for connecting language models to external data sources and tools.

Do I need both Python and Node.js environments to develop an MCP server?

You do not need both environments simultaneously. The MCP server can be developed using either the Python SDK with FastMCP or the Node/TypeScript SDK, but the environment requires support for the chosen MCP SDK.

How do I evaluate the effectiveness of an MCP server?

To evaluate an MCP server, create comprehensive evaluations using the provided evaluation guide to test the server's implementation patterns, tool registration, and overall effectiveness in handling LLM integration tasks.

Can I use FastMCP to integrate external APIs with a language model?

Yes, you can use FastMCP to integrate external APIs with a language model. The Python SDK documentation provides usage patterns and examples for building MCP servers that connect LLMs to external services.

What's the best way to register tools in a TypeScript MCP server?

The best way to register tools in a TypeScript MCP server is by following the implementation guides for the Node/TypeScript SDK, which cover project setup, tool registration, defining input/output schemas, and error handling.