mcp-builder

Name: mcp-builder
Availability: InStock
Author: youmingyeh

Build MCP servers with FastMCP or TypeScript MCP SDK.

2|Updated Jan 12, 2026

Search Tags:#typescript #python #sdk #mcp #model-context-protocol #tool-registration #mcp-server

Ready to run

npx skills add https://github.com/YouMingYeh/shadcn-ui-supabase-docker-template --skill mcp-builder-youmingyeh

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/YouMingYeh/shadcn-ui-supabase-docker-template/tree/main/.agents/skills/mcp-builder
Command: npx skills add https://github.com/YouMingYeh/shadcn-ui-supabase-docker-template --skill mcp-builder-youmingyeh

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires mcp, and includes scripts (resource) components.

What problem does it solve?

Developers often struggle to build robust MCP servers that enable LLMs to interact with external services, requiring standardized tool registration, consistent outputs, and scalable transport and testing patterns.

Core Features & Use Cases

Cross-language support: Guidance for Python (FastMCP) and Node/TypeScript (MCP SDK) implementations.
Tool registration & validation: Best practices for adding tools with input validation, clear descriptions, and structured outputs.
Deployment and testing workflows: End-to-end guidance from project setup to evaluation, including read-only testing and security considerations.

Quick Start

Scaffold a new MCP server using the guided template and register your first tool to begin integration.

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 that lets LLMs safely access external services?▼

To build an MCP server for external service access, you register well-defined tools with structured outputs, applying runtime validation to ensure safe, deterministic, non-destructive interactions. This skill guides the entire process from setup to testing.

What is the best way to register tools in an MCP server using Python or TypeScript?▼

Registering MCP server tools requires clear descriptions, structured outputs, and runtime validation. You can enforce tool registration validation using Pydantic for Python FastMCP workflows or Zod for Node TypeScript MCP SDK implementations.

Does MCP server development support both Python FastMCP and Node TypeScript SDK workflows?▼

Yes, MCP server development supports both Python FastMCP and Node TypeScript MCP SDK workflows. It provides cross-language guidance for setup, tool registration, validation, error handling, and testing across both environments.

How do I validate inputs and handle errors when creating MCP server tools?▼

To validate inputs and handle errors in MCP server tools, enforce runtime validation using Zod or Pydantic. This ensures standardized outputs and prescribes deterministic, non-destructive interactions for safe LLM integration.

What are the limitations and security considerations when deploying an MCP server?▼

MCP server deployment limitations center on ensuring deterministic, non-destructive interactions and read-only testing. You must enforce runtime validation and implement standardized outputs to maintain security and prevent unintended external service mutations.