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mcp-builder

Guide development of MCP servers with Node.js and TypeScript.

97|7|Updated Oct 20, 2025
Search Tags:#typescript#api development#mcp#node.js#tool building#llm integration
One-click install
npx skills add https://github.com/ng-forge/ng-forge --skill mcp-builder-ng-forge
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/ng-forge/ng-forge/tree/main/.claude/skills/mcp-builder
Command: npx skills add https://github.com/ng-forge/ng-forge --skill mcp-builder-ng-forge

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill guides users in creating high-quality MCP (Model Context Protocol) servers, enabling Large Language Models (LLMs) to interact with external services through well-designed tools, thereby solving real-world tasks.

Core Features & Use Cases

  • MCP Server Development: Provides a comprehensive guide for building robust MCP servers using Node.js and TypeScript.
  • Tool Implementation: Details best practices for defining, implementing, and testing tools, including input/output schemas and annotations.
  • Evaluation Framework: Outlines the process for creating evaluations to test the effectiveness of MCP servers with LLMs.
  • Use Case: A developer needs to build an MCP server that allows an LLM to manage GitHub repositories by creating issues, listing branches, and fetching commit history. This Skill provides the roadmap and best practices for such a development.

Quick Start

Follow the TypeScript Implementation Guide to set up your Node.js MCP server project.

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 with Node.js and TypeScript for LLM integration?▼

To build an MCP server, use Node.js and TypeScript to set up the project, define tools with Zod schemas, implement response formatting, and configure HTTP or stdio transport mechanisms for external service interaction.

What is the best way to define input and output schemas for MCP tools?▼

The best way to define schemas for MCP tools is using Zod. This Skill guides you through defining input and output schemas, adding annotations, and implementing robust tool testing for reliable LLM interaction.

How do I evaluate the effectiveness of an MCP server with LLMs?▼

Evaluating MCP server effectiveness involves creating specific evaluations to test LLM interactions. This process assesses how well the implemented tools perform real-world tasks when invoked by the language model.

Does this MCP server guide cover transport mechanisms like HTTP and stdio?▼

Yes, this guide covers both HTTP and stdio transport mechanisms. It provides best practices for configuring these communication channels to ensure secure and efficient interaction between the server and external services.

What security best practices should I follow when implementing MCP servers?▼

Implementing MCP servers requires following security best practices outlined in the guide. These precautions ensure safe LLM interaction with external services through well-designed, secure tool implementations and transport configurations.

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