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anthropic-mcp-builder

Design MCP server implementations and evaluation workflows for Python FastMCP and TypeScript MCP SDK projects.

1|Updated Jun 28, 2026
Search Tags:#typescript#python#evaluation#mcp#anthropic#fastmcp#server-design
One-click install
npx skills add https://github.com/whmathews15/DEX-Personal-Operating-System --skill anthropic-mcp-builder-whmathews15
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: anthropic-mcp-builder
Source: https://github.com/whmathews15/DEX-Personal-Operating-System/tree/main/.claude/skills/anthropic-mcp-builder
Command: npx skills add https://github.com/whmathews15/DEX-Personal-Operating-System --skill anthropic-mcp-builder-whmathews15

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill helps you turn an external service or workflow into a well-designed MCP server, reducing trial-and-error around tool design, transport choices, validation, and testing.

Core Features & Use Cases

  • Server Architecture Guidance: Choose between stdio and streamable HTTP, structure the project, and organize tools, resources, and helpers.
  • Tool Design & Validation: Define clear tool names, schemas, annotations, pagination, and error handling for Python FastMCP or TypeScript MCP SDK implementations.
  • Evaluation & Quality Checks: Create stable read-only evaluations and verify that the server behaves predictably for real tasks.
  • Use Case: Build a connector for a CRM, issue tracker, or internal API, then test that the resulting tools are discoverable, safe, and reliable.

Quick Start

Ask the Skill to help you design an MCP server for your target service and have it recommend the best language, transport, tool set, validation rules, and evaluation plan.

Frequently Asked Questions about anthropic-mcp-builder

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

FAQPage Schema
How do I design an MCP server with Python or TypeScript?▼

To design an MCP server, you structure project architecture, define tools and resources, and implement validation rules using Python FastMCP or TypeScript MCP SDK.

What's the best way to handle validation and errors in MCP servers?▼

The best way to handle validation and errors in MCP servers is to define clear tool schemas, implement pagination, and apply security safeguards during the design phase.

How do I evaluate MCP server implementations for real tasks?▼

You evaluate MCP server implementations by creating stable, read-only evaluation workflows that verify the server behaves predictably and reliably for real tasks.

When should I use stdio versus streamable HTTP transports for an MCP server?▼

Choose between stdio and streamable HTTP transports based on your external service integration requirements, structuring the project to organize tools and helpers accordingly.

Can I use FastMCP to integrate external APIs into my MCP tools?▼

Yes, you can use Python FastMCP to integrate external APIs by defining tools, resources, and transports that connect your external service workflows into the server.

What are the naming conventions for tools in an MCP server?▼

MCP server tool naming conventions require clear, structured definitions that satisfy schema validation requirements, ensuring tools are discoverable and safe for real tasks.

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