Cwa MCP Server

@lincw

Repository

Basic information

About Cwa MCP Server

利用台灣中央氣象局的 API 建立 MCP-server

#cwa-mcp-server#weather-api #nodejs

Cwa MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "cwa": {
      "command": "node",
      "args": [
        "/path/to/cwa-server.js"
      ],
      "env": {
        "CWA_API_KEY": ""
      }
    }
  }
}

Cwa MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Cwa Mcp Server?

A lightweight Node.js Model Context Protocol (MCP) server that connects Claude Desktop to the Taiwan Central Weather Administration (CWA) API, providing access to weather forecast data for all Taiwanese counties and cities.

How to use Cwa Mcp Server?

Obtain a CWA API key from the official website, run the install.sh script, then edit the Claude Desktop configuration file (~/.config/claude/claude_desktop_config.json) to add your API key and server path. Restart Claude Desktop to start querying weather data. Docker deployment is also supported via docker-compose.yml.

Key features of Cwa Mcp Server

Simple, lightweight Node.js implementation
Easy setup with Claude Desktop
Access weather forecasts for all Taiwanese counties and cities
Provides 36‑hour weather forecast data
Supports Docker deployment
Single tool: get_weather_forecast

Use cases of Cwa Mcp Server

Ask Claude “What is the weather in Taipei City right now?” and receive a 36‑hour forecast
Query weather forecasts for any supported county or city in Taiwan
Integrate real‑time CWA weather data into conversations via Claude Desktop
Automate weather checks for travel planning or daily updates

Frequently asked questions

What are the runtime requirements?

Node.js 18 or higher is required. A valid CWA API key must be obtained from [https://opendata.cwa.gov.tw/user/authkey](https://opendata.cwa.gov.tw/user/authkey).

How do I configure Claude Desktop to use this server?

Edit `~/.config/claude/claude_desktop_config.json` and add the `cwa` MCP server entry with the `command`, `args` pointing to `cwa-server.js`, and the `CWA_API_KEY` environment variable.

Can I run the server with Docker?

Yes. A Docker Compose file is provided in the README. You set the `CWA_API_KEY` environment variable in `docker-compose.yml` and update the Claude Desktop configuration to use the `docker exec` command.

What data does the server provide?

It retrieves a 36‑hour weather forecast for any supported Taiwanese county or city. The tool is named `get_weather_forecast`.

Which locations are supported?

The server supports 22 locations: all special municipalities (Taipei, New Taipei, Taoyuan, Taichung, Tainan, Kaohsiung), counties (e.g., Yilan, Hualien, Taitung), and outlying islands (Penghu, Kinmen, Lienchiang).

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