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FastMCP Fundamentals

Introduction to MCP

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What is MCP?

Model Context Protocol: Connecting AI to Everything

The Model Context Protocol (MCP) is an open standard that enables AI models like Claude to interact with external data sources, tools, and services. Think of it as a universal adapter that lets AI access your world.

Why MCP?

ProblemMCP Solution
AI can't access live dataResources expose real-time information
AI can't take actionsTools let AI execute functions
Context is limitedPrompts provide reusable templates
Each integration is customStandard protocol works everywhere

MCP Architecture

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Core Components

  • Tools: Functions the AI can call (like API endpoints)
  • Resources: Data the AI can read (like files or databases)
  • Prompts: Reusable message templates