mcp-builder

Build MCP servers with FastMCP and MCP SDK templates.

40|4|Updated Apr 19, 2026

Search Tags:#typescript #python #sdk #mcp #tool-design #mcp-builder

Ready to run

npx skills add https://github.com/jjmartres/ai-coding-agents --skill mcp-builder-jjmartres

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/jjmartres/ai-coding-agents/tree/main/shared/.ai-agents/skills/mcp-builder
Command: npx skills add https://github.com/jjmartres/ai-coding-agents --skill mcp-builder-jjmartres

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires anthropic, mcp.

What problem does it solve?

This Skill guides engineers to systematically build Model Context Protocol (MCP) servers with solid tooling patterns, ensuring secure, scalable interactions between LLMs and external services.

Core Features & Use Cases

Framework-guided MCP server scaffolding for both Python (FastMCP) and Node/TypeScript (MCP SDK)
Tool registration patterns, input validation, and structured return formats
End-to-end guidance on error handling, pagination, security, and maintainability
Use Case: Kick off a project to implement a new MCP server skeleton and a sample tool to demonstrate end-to-end operation

Quick Start

Create a new MCP server scaffold using the MCP Builder template and register a sample tool to validate end-to-end workflows.

Frequently Asked Questions about mcp-builder

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

FAQPage Schema

How do I build a production-ready MCP server in Python or TypeScript?▼

The MCP builder template scaffolds servers across Python (FastMCP) and Node/TypeScript (MCP SDK), providing standardized patterns for tool registration, input validation, and structured returns to ensure secure, scalable LLM interactions.

What is the best way to structure tool schemas and validation for an MCP server?▼

Structure tool schemas and validation using framework-guided patterns that ensure rigorous input validation, structured return formats, and secure tool design, enabling maintainable and reusable utilities for agent interactions.

Does this MCP server template support authentication and pagination patterns?▼

Yes, the MCP server template provides end-to-end guidance on authentication, error handling, and pagination, ensuring secure and maintainable tool design for scalable agent interactions across Python and TypeScript implementations.

Can I use FastMCP to register a sample tool and validate end-to-end workflows?▼

Yes, you can use FastMCP to scaffold a new MCP server and register a sample tool, validating end-to-end workflows to demonstrate secure, structured interactions between LLMs and external services.

Why do I need a standardized template for MCP server development?▼

A standardized template ensures systematic server creation with solid tooling patterns, enforcing secure, scalable interactions between LLMs and external services while maintaining reusability and rigorous validation across implementations.