mcp-builder

Guide development of MCP servers in Python or TypeScript.

Updated Feb 18, 2026
One-click install
npx skills add https://github.com/zach-source/claude-plugins --skill mcp-builder-zach-source
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/zach-source/claude-plugins/tree/main/plugins/devtools/skills/mcp-builder
Command: npx skills add https://github.com/zach-source/claude-plugins --skill mcp-builder-zach-source

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill guides you through creating robust MCP (Model Context Protocol) servers, enabling Large Language Models (LLMs) to seamlessly interact with external services and APIs through well-defined tools.

Core Features & Use Cases

  • MCP Server Development: Learn best practices for designing and implementing MCP servers in Python or TypeScript.
  • Tool Design: Understand how to create effective tools with clear descriptions, input/output schemas, and annotations.
  • Evaluation Framework: Develop comprehensive evaluations to test the effectiveness of your MCP server.
  • Use Case: You need to build an MCP server that allows an LLM to manage GitHub repositories, create issues, and list pull requests. This Skill provides the roadmap and best practices to do so efficiently.

Quick Start

Follow the mcp-builder skill to create a new MCP server for integrating external APIs.

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, follow a comprehensive guide covering research, implementation, testing, and evaluation phases using Python (FastMCP) or Node/TypeScript (MCP SDK) frameworks. It provides specific documentation for designing tools and formatting responses.

What is the best way to design tools for an MCP server?

The best way to design MCP server tools involves creating clear descriptions, defining input/output schemas, and adding annotations. Effective tool design ensures LLMs can seamlessly interact with external services and APIs through well-defined interfaces.

Can I use Python or TypeScript for MCP server implementation?

Yes, you can use Python or TypeScript for MCP server implementation. The guide provides specific framework documentation for Python using FastMCP and Node/TypeScript using the MCP SDK, ensuring robust server development across both environments.

How do I evaluate the effectiveness of my MCP server?

You evaluate MCP server effectiveness by developing comprehensive evaluations within the testing phase. The framework guides you through creating tests to ensure your tools, response formatting, pagination, and security practices function correctly with LLM interaction.

What security and pagination practices should I follow for MCP server development?

MCP server development emphasizes implementing security best practices and proper response pagination. These practices are covered during the implementation phase to ensure robust LLM interaction with external services and APIs.

Does this guide cover formatting responses for LLM interaction?

Yes, this guide covers formatting responses for LLM interaction. It emphasizes tool design, response formatting, pagination, and security best practices to facilitate seamless communication between LLMs and external services.