mcp-builder

Create MCP servers with standardized tooling, validation, and documentation.

1|Updated Feb 2, 2026
One-click install
npx skills add https://github.com/micaelmalta/agentic --skill mcp-builder-micaelmalta
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/micaelmalta/agentic/tree/main/skills/mcp-builder
Command: npx skills add https://github.com/micaelmalta/agentic --skill mcp-builder-micaelmalta

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires anthropic, mcp.

What problem does it solve?

This Skill provides a structured approach to building MCP servers that enable LLMs to interact with external services through well-designed tools. It standardizes design patterns, validation, error handling, and documentation to reduce boilerplate and improve reliability across Python (FastMCP) and Node/TypeScript (MCP SDK) implementations.

Core Features & Use Cases

  • Structured tool registration patterns for MCP servers in both Python and TypeScript.
  • Schema-driven input validation using Pydantic (Python) and Zod (TypeScript).
  • Reusable infrastructure patterns including API clients, error handling utilities, and consistent response formatting.
  • Guidance for end-to-end workflows and evaluations to ensure maintainable, testable MCP servers.

Quick Start

Create a new MCP server project and register a sample tool using the patterns provided in this Skill. For example, scaffold a Python MCP server named example_mcp and register a simple health_check tool that reports server status.

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 standardized tool registration patterns?

To build an MCP server with standardized tool registration, you can use structured patterns that enforce schema-driven input validation, robust error handling, and consistent response formatting to reduce boilerplate and improve reliability.

Does this MCP builder approach support both Python FastMCP and TypeScript SDK environments?

Yes, this MCP builder approach supports both Python FastMCP and Node/TypeScript MCP SDK environments, applying standardized tooling patterns, validation, and documentation across both implementations.

What is the best way to validate MCP server inputs using Pydantic and Zod?

The best way to validate MCP server inputs is through schema-driven validation using Pydantic for Python FastMCP implementations and Zod for TypeScript MCP SDK environments to ensure robust runtime type checking.

How do I add a health check tool when scaffolding a new MCP server?

To add a health check tool when scaffolding an MCP server, you register a simple tool that reports server status, following the structured registration patterns provided to ensure proper validation and documentation.

Why do I need runtime validation and error handling utilities in my MCP server?

You need runtime validation and error handling utilities in your MCP server to enable LLMs to interact with external services reliably through well-designed tools while enforcing consistent response formatting and comprehensive documentation standards.

Can I use these MCP infrastructure patterns for end-to-end evaluation workflows?

Yes, you can use these MCP infrastructure patterns for end-to-end workflows and evaluations, providing guidance to ensure your MCP servers remain maintainable and testable across Python and TypeScript implementations.