mcp-builder

Build TypeScript MCP servers with Zod validation and explicit tool registration.

14|2|Updated Feb 18, 2026
One-click install
npx skills add https://github.com/opencodos/opencodos --skill mcp-builder-opencodos
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/opencodos/opencodos/tree/main/skills/MCP%20Builder
Command: npx skills add https://github.com/opencodos/opencodos --skill mcp-builder-opencodos

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

MCP Builder enables developers to create Model Context Protocol servers that let LLMs securely and efficiently interact with external services.

Core Features & Use Cases

  • Phase-driven workflow guides the end-to-end creation of MCP servers
  • Includes examples for TypeScript, client-server setup, and tool annotations
  • Supports robust input validation, error handling, and pagination for scalable tools

Quick Start

Create a new MCP server project and begin registering your first tool.

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 to connect an LLM with external services?

To build an MCP server, you create a TypeScript-based server structure that registers tools for LLMs to interact with external services. The workflow covers research, implementation, and evaluation phases across the entire lifecycle.

What is the best way to validate inputs in a Model Context Protocol API server?

Validating inputs in a Model Context Protocol API server requires using Zod for strict validation. This ensures robust error handling and scalable tool operations within your TypeScript server structure.

Does MCP server development support TypeScript and tool annotations?

MCP server development supports TypeScript and includes examples for explicit tool registration and tool annotations. This enforces a structured server setup for connecting LLMs to external services.

How do I handle pagination and errors when creating LLM tools?

Handling pagination and errors when creating LLM tools involves implementing robust error handling within the MCP server. This approach ensures scalable tools during the implementation phase.

Can I use MCP Builder for the entire lifecycle of tool development?

You can use MCP Builder across the entire lifecycle of MCP tool development. It guides research, implementation, and evaluation for multiple services connecting LLMs securely and efficiently.

How do I set up the TypeScript environment and define external service APIs to initialize an MCP server project?

Initialize a TypeScript project and define external service API endpoints as inputs to scaffold the MCP server structure and generate explicit tool registration code.