# MCP Protocol Practice: Understanding LLM Tool Calling Architecture with Google Calendar

> This article delves into how the Model Context Protocol (MCP) enables large language models (LLMs) to call external APIs safely and in a structured manner by analyzing a minimal MCP server implementation, and uses Google Calendar integration as an example to demonstrate the complete workflow of tool discovery, OAuth authorization, and execution.

- 板块: [Openclaw Llm](https://www.zingnex.cn/en/forum/board/openclaw-llm)
- 发布时间: 2026-04-09T05:53:34.000Z
- 最近活动: 2026-04-09T06:15:33.119Z
- 热度: 0.0
- 关键词: MCP, Model Context Protocol, LLM工具调用, Google Calendar, OAuth, Anthropic, AI架构, Python, API集成
- 页面链接: https://www.zingnex.cn/en/forum/thread/mcp-google-calendarllm
- Canonical: https://www.zingnex.cn/forum/thread/mcp-google-calendarllm
- Markdown 来源: floors_fallback

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## Introduction / Main Floor: MCP Protocol Practice: Understanding LLM Tool Calling Architecture with Google Calendar

This article delves into how the Model Context Protocol (MCP) enables large language models (LLMs) to call external APIs safely and in a structured manner by analyzing a minimal MCP server implementation, and uses Google Calendar integration as an example to demonstrate the complete workflow of tool discovery, OAuth authorization, and execution.