Series · Research explained · 2 parts

MCP SERVER: Theory and Implementation

You've seen MCP servers mentioned in AI tool docs. You've wondered how Claude actually calls external functions. This is the guide that explains both — and by the end of this series you'll have a running, production-ready MCP server connected to Claude Desktop, built in Python.

About 22 min to read it all · started Apr 2026

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01MCP Server (Part 1)Why did Anthropic create MCP? This guide breaks down the theory and architecture behind the Model Context Protocol. We explore the roles of the Host, Client, and Server, and why the separation of concerns is the secret to building reusable AI tools.17 min· Apr 30, 2026Read
02Part 2: Async Primitives, Standard I/O, and python environmentMaster the basic asynchronous primitives, environment isolation, and Standard I/O stream mechanics that power the protocol. Here is your engineering guide to python virtual environments, asyncio coroutines, context managers, and JSON-RPC standard streams. 5 min· Jun 27, 2026Read