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rafaelcalleja
rafaelcallejaCOMMUNITY
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mcp-builder

Build MCP servers with Python FastMCP or Node/TypeScript MCP SDK.

2|1|Updated Oct 11, 2025
One-click install
npx skills add https://github.com/rafaelcalleja/claude-market-place --skill mcp-builder-rafaelcalleja
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/rafaelcalleja/claude-market-place/tree/main/plugins/claudekit-skills/skills/mcp-builder
Command: npx skills add https://github.com/rafaelcalleja/claude-market-place --skill mcp-builder-rafaelcalleja

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires fastapi, uvicorn, requests, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Developing and deploying specialized AI context servers (MCP servers) requires adherence to specific protocols and robust evaluation. This skill provides tools and best practices for the entire lifecycle, from construction to deployment.

Core Features & Use Cases

  • MCP Server Construction: Guides in building Node.js or Python-based MCP servers that adhere to the Model Context Protocol.
  • Evaluation Framework: Provides scripts and methodologies for evaluating server performance and adherence to protocol standards.
  • Best Practices: Offers guidelines for secure, efficient, and scalable MCP server development.
  • Connection Management: Tools for managing connections to various MCP servers, ensuring reliable communication.
  • Use Case: Develop a new MCP server optimized for legal document analysis, then use the built-in evaluation tools to ensure it accurately processes and contextualizes legal terminology.

Quick Start

Use the mcp-builder skill to generate a basic Python MCP server template.

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 connects LLMs to external services?▼

Build MCP servers using Python FastMCP or Node/TypeScript MCP SDK to enable LLMs to access external services. The process involves designing tools with structured metadata, strongly typed input schemas, and comprehensive error handling, then evaluating against protocol standards before deployment.

What's the best way to design tools for an MCP server?▼

Tool design requires structured metadata, strongly typed input schemas, descriptive annotations, and consistent naming conventions. Implement multi-format responses, comprehensive input validation, and pagination support for scalable, real-world workflows.

Can I use FastAPI and Uvicorn to build and deploy MCP servers?▼

Yes. FastAPI and Uvicorn are core dependencies for Python-based MCP server development. They provide the web framework and application server needed to build and deploy production-ready MCP servers with robust connection management.

How do I evaluate whether my MCP server meets protocol standards?▼

Use built-in evaluation scripts and methodologies to test server performance and adherence to the Model Context Protocol. These tools validate tool functionality, error handling, security practices, and scalability before production deployment.

What security practices should I follow when building MCP servers?▼

Implement input validation on all tool parameters, enforce strongly typed schemas, handle errors gracefully without exposing internal details, and use secure connection management. These practices prevent injection attacks and ensure reliable service access.

Does MCP server development require knowledge of both Python and Node.js?▼

No. Choose either Python with FastMCP or Node/TypeScript with the MCP SDK based on your preferred language and environment. Both implementations follow the same protocol standards and best practices.

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