How I Finally Understood MCP — and Got It Working in Real Life

The guide I needed when I had no idea why anyone would build an MCP server for an AI assistant. The post How I Finally Understood MCP — and Got It Working in Real Life appeared first on Towards Data Science.

May 13, 2025 - 00:59
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How I Finally Understood MCP — and Got It Working in Real Life

Table of Content

  1. Introduction: Why I Wrote This
  2. The Evolution of Tool Integration with LLMs
  3. What Is Model Context Protocol (MCP), Really?
  4. Wait, MCP sounds like RAG… but is it?
    1. In an MCP-based setup
    2. In a traditional RAG system
    3. Traditional RAG Implementation
    4. MCP Implementation
  5. Quick recap!
  6. Core Capabilities of an MCP Server
  7. Real-World Example: Claude Desktop + MCP (Pre-built Servers)
  8. Build Your Own: Custom MCP Server from Scratch
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