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Works with

Claude CodeClaude DesktopCursorVS CodeClineCodex CLIOpenClaw+ any MCP client

Install to Claude Code

This server doesn't publish a one-line install command. Follow the setup in the source repository.

Summary

Enables Claude to query real-time weather data for any specified location using the OpenWeatherMap API.

README.md

ClaudeLocalMCP.ts

自己為 Claude 寫本地端 MCP Server 很簡單,有手就行😁 完整流程 Demo 的 gif 圖檔 !MCP開啟圖示

簡介 MCP Server

MCP Server 就像「AI 的 USB 插槽」,讓 AI 能安全地連接外部資料或工具。 舉例:AI 想查電腦檔案或查詢股票價格,MCP Server 就負責幫 AI 取得這些資料或執行操作。

AI 有了 MCP(模型上下文協定)後,將產生以下重大影響:

  • AI 不再只是「建議者」,而能主動執行任務。例如,AI 不僅能告訴你怎麼查資料,還能直接幫你查詢資料庫、整理報表、發送郵件,甚至控制智慧家電
  • AI 可即時存取外部資料與工具,突破只能依賴訓練知識的限制,能根據最新數據做出回應,如即時天氣、最新財經資訊等
  • AI 回答更精確,能減少「幻覺」問題,因為可直接查證外部資料來源
  • 開發者只需一次整合 MCP,AI 就能連接多種工具和資料,開發效率大幅提升
  • 用戶資料安全性提升,因為存取權限可細緻控管,且多數操作在本地端執行

總結:MCP 讓 AI 從只能「說」進化到能「做」,大幅擴展應用範圍與價值,推動 AI 進入真正的智能代理(AI Agent)時代

Weather MCP Server

這是用來給 Claude 查詢指定地區的天氣資訊

申請天氣 API 服務

我去申請 https://openweathermap.org/ 的免費服務 請去註冊並取得 API 金鑰 (API Key)

在 .env 填入金鑰

OPENWEATHERMAP_API_KEY=你的實際API金鑰貼在這裡

記得在 dist 內放上 .env 檔案來提供 API金鑰

安裝 Claude 桌面版

https://claude.ai/download

開啟 Claude 開發模式

右上角 File => Settings 開啟 Developer 模式

設定 MCP Server 給 Claude 使用

Windows 用戶請 開啟目錄 C:\Users\使用者名稱\AppData\Roaming\Claude 檔案名稱 claude_desktop_config.json ``json { "mcpServers": { "weather": { "command": "node", "args": [ "D:\\github\\ClaudeLocalMCP.ts\\dist\\index.js", "envPath=D:\\github\\ClaudeLocalMCP.ts\\.env" ] } } } `` envPath 是指定 .env 的路徑

確認一下 MCP 是否正常開啟 !MCP開啟圖示 檢視一下 MCP 名稱 !MCP開啟圖示 詢問時要指定地區,如: 台中天氣如何? Claude 會要你確認(Allow for this chat)是否可以執行 MCP 服務 !MCP開啟圖示

查詢 MCP Server 執行 log

Windows 用戶請 開啟目錄 C:\Users\使用者名稱\AppData\Roaming\Claude\logs

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