Weather MCP Server

A Model Context Protocol (MCP) server that provides weather information.

Installation

pnpm install

Related MCP server: Weather MCP

Usage

Start the Server

pnpm start

Run Tests

pnpm test

Using with MCP Inspector

To test your server with the MCP Inspector:

1. Install the Inspector (if not already installed):

npx @modelcontextprotocol/inspector

2. Configure the connection:

   • Command: npx

   • Args: tsx main.ts

   • Or use the full command: npx tsx /path/to/mcpWeather/main.ts

3. Test the tool:

   • Select the fetch-Weather tool

   • Enter a city name (e.g., "Bogotá")

   • Call the tool

Tools

fetch-Weather

Get the weather for a given location.

Parameters:

• city (string, required): City name like 'Bogotá'

Example:

{
  "city": "Bogotá"
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "The weather in Bogotá is sunny"
    }
  ]
}

Important Notes

⚠️ Zod Version: This project uses Zod v3.23.8 to match the MCP SDK requirements. Do not upgrade to Zod v4 as it will cause parameter registration issues.

Development

The server uses:

• MCP SDK: @modelcontextprotocol/sdk v1.20.0

• Zod: v3.23.8 (for parameter validation)

• TSX: v4 (for running TypeScript)