MCP Server Builder

About

The mcp-builder skill provides a comprehensive framework for developing robust Model Context Protocol (MCP) servers using Python or Node/TypeScript. It guides developers through the entire lifecycle of MCP development—from agent-centric design and API integration to implementation best practices and automated evaluation strategies. By focusing on workflow-based tool design rather than simple API wrapping, it helps create integrations that maximize AI agent performance while optimizing context window usage and providing actionable error feedback.

Key Features

• Comprehensive error handling strategies for LLM-friendly feedback
• Multi-language support for Python (FastMCP) and Node/TypeScript SDKs
• Agent-centric design patterns for optimized tool performance
• Standardized implementation templates for tool registration and validation
• 1 GitHub stars
• Built-in evaluation framework for testing server effectiveness

Use Cases

• Integrating internal company APIs into Claude's toolset
• Developing complex workflow automation servers for external SaaS platforms
• Building custom data retrieval tools for specialized documentation