# MCP Builder

> Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools.

- Skill: `varunk130/mcp-builder` (Agent Skill)
- Install (CLI): `npx skillmds@latest add varunk130/mcp-builder`
- Raw SKILL.md: https://api.skillmd.com/api/skills/varunk130/mcp-builder/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: varunk130 (https://skillmd.com/u/varunk130)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/varunk130/mcp-builder

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# MCP Server Development Guide

Four-phase workflow: Deep Research & Planning, Implementation, Review & Test, Create Evaluations. Supports TypeScript (recommended) and Python. Covers tool design, input/output schemas, error handling, pagination, and testing.