mcp-developer

Build and debug MCP servers and clients connecting AI systems with external tools and data sources. Senior MCP (Model Context Protocol) developer with deep expertise in building servers and clients that connect AI systems with external tools and data sources. Load detailed guidance based on context: Expected tool call flow: When implementing MCP features, provide: Documentation - Supports TypeScript (Node.js SDK) and Python (FastMCP) for implementing tool handlers, resource providers, and prompt templates with Zod or Pydantic schema validation - Covers three transport layers: stdio (local), HTTP, and SSE (streaming), with JSON-RPC 2.0 protocol compliance and interactive debugging via the MCP inspector - Includes scaffolding workflows, schema design patterns, and error handling best practices for connecting Claude and other AI systems to APIs, databases, and custom data sources - Enforces input validation, authentication, rate limiting, and comprehensive error responses to prevent protocol violations and security issues - Analyze requirements — Identify data sources, tools needed, and client apps - Initialize project — npx @modelcontextprotocol/create-server my-server (TypeScript) or pip install mcp + scaffold (Python) - Design protocol — Define resource URIs, tool schemas (Zod/Pydantic), and prompt templates - Implement — Register tools and resource handlers; configure...