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What is Model Context Protocol (MCP) and how would you use it to extend LLM capabilities?

Understanding Model Context Protocol (MCP) for extending LLM capabilities with external tools and data

MCPLLMTool UseAgentic AIAnthropicClaude
Updated Dec 22, 2025

Question

Model Context Protocol (MCP)

Difficulty: Medium
Estimated Time: 20-30 minutes
Tags: MCP, LLM, Tool Use, Agentic AI, Anthropic
Type: Technical Concept


Question

What is Model Context Protocol (MCP) and how would you use it to extend LLM capabilities?


What They're Looking For

  • Understanding of MCP architecture and purpose
  • Knowledge of how LLMs interact with external tools and data
  • Practical experience building or integrating MCP servers
  • Awareness of the agentic AI ecosystem
  • Security and permission considerations
  • Comparison with alternatives (function calling, plugins)

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