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mcp-builder

Develop MCP servers with FastMCP or TypeScript MCP SDK.

3|2|Updated Mar 6, 2026
Search Tags:#validation#mcp#best-practices#software-engineering#tool-registration#mcp-server
One-click install
npx skills add https://github.com/cloga/optimus-code --skill mcp-builder-cloga
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/cloga/optimus-code/tree/main/optimus-plugin/skills/mcp-builder
Command: npx skills add https://github.com/cloga/optimus-code --skill mcp-builder-cloga

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

MCP server development often lacks structured guidance for building robust, scalable servers that enable LLMs to interact with external services. This Skill provides a comprehensive blueprint and best practices for end-to-end MCP server creation using either Python (FastMCP) or TypeScript (MCP SDK).

Core Features & Use Cases

  • Comprehensive server scaffolding and project structure for MCP servers.
  • Clear tool registration, input validation, error handling, and testing patterns.
  • Guidance for both Python and TypeScript ecosystems, with transport choices and security considerations.

Quick Start

Install the MCP server template and start implementing your first MCP server following the TypeScript or Python guides.

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 robust MCP server for LLMs?▼

Building a robust MCP server requires structured scaffolding, tool registration, and validation. This Skill provides a blueprint for server setup using Python FastMCP or TypeScript MCP SDK, covering error handling and testing in enterprise-grade environments.

What is the best way to validate MCP server tool inputs?▼

Validating MCP server tool inputs is best handled using Zod for TypeScript or Pydantic for Python. This approach enforces strict input validation and generates structured outputs with robust error messages for external service interactions.

Can I use both stdio and streamable HTTP transports for MCP servers?▼

Yes, you can use both stdio and streamable HTTP transports for MCP servers. This Skill provides guidance on implementing clean project structures that support these transport choices along with necessary security considerations.

Does this MCP server blueprint support Python and TypeScript ecosystems?▼

Yes, this MCP server blueprint supports both Python and TypeScript ecosystems. It offers tailored guidance for FastMCP and MCP SDK workflows, covering setup, validation, and enterprise-grade testing patterns.

How do I handle errors and pagination in MCP server development?▼

Handling errors and pagination in MCP server development requires structured outputs and robust error messages. This Skill enforces these patterns alongside input validation to ensure reliable LLM interactions with external services.

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