mcp-builder

Generate MCP servers with standardized patterns for Python FastMCP and Node/TypeScript SDKs.

2|Updated Jun 20, 2025
One-click install
npx skills add https://github.com/raykit-apps/raykit --skill mcp-builder-raykit-apps
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mcp-builder
Source: https://github.com/raykit-apps/raykit/tree/main/.codex/skills/mcp-builder
Command: npx skills add https://github.com/raykit-apps/raykit --skill mcp-builder-raykit-apps

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

The MCP builder provides a comprehensive blueprint for creating high-quality MCP servers, including best practices, tooling patterns, and cross-language guidance to integrate with external services.

Core Features & Use Cases

  • Clear project structure and language-specific guidelines for Python (FastMCP) and Node/TypeScript (MCP SDK)
  • Robust tool registration, input validation, error handling, and testing patterns
  • Practical usage scenarios with cross-language examples and evaluation guidance

Quick Start

Create a new MCP server project using the recommended structure and register a sample tool to validate your setup.

Frequently Asked Questions about mcp-builder

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

FAQPage Schema
What is the best way to build a robust MCP server with proper input validation?

The best way to build a robust MCP server is using standardized patterns that enforce strict input validation via Pydantic or Zod, ensuring type-safe tool registration and structured outputs across Python and TypeScript projects.

How do I register tools in an MCP server using TypeScript and Python?

You register tools in an MCP server by following language-specific guidelines for Node/TypeScript MCP SDK and Python FastMCP, applying type-safe tool registration patterns to define inputs, outputs, and error handling consistently.

Can I deploy an MCP server over remote streamable HTTP instead of local stdio?

Yes, you can deploy an MCP server over remote streamable HTTP as well as local stdio. The blueprint provides applicable patterns for both deployment transports within Python and TypeScript environments.

Does the MCP server blueprint support both Python FastMCP and Node TypeScript SDK?

Yes, the blueprint fully supports both Python FastMCP and Node/TypeScript MCP SDK projects, offering clear project structures, cross-language examples, and language-specific guidelines for robust server development.

How do I handle pagination and error handling in MCP server tooling?

You handle pagination and error handling in MCP server tooling by implementing the blueprint's standardized best practices, which enforce structured outputs, robust error management, and security considerations across both supported languages.

What testing patterns should I use for MCP server development?

You should use the blueprint's standardized testing patterns and tooling guidance for MCP server development, which include practical evaluation scenarios and cross-language examples to validate your setup and ensure robust integration.