Weather MCP Server
A Model Context Protocol (MCP) server that provides weather information.
Installation
pnpm install
Usage
Start the Server
pnpm start
Run Tests
pnpm test
Using with MCP Inspector
To test your server with the MCP Inspector:
- Install the Inspector (if not already installed):
npx @modelcontextprotocol/inspector
-
Configure the connection:
- Command:
npx - Args:
tsx main.ts - Or use the full command:
npx tsx /path/to/mcpWeather/main.ts
- Command:
-
Test the tool:
- Select the
fetch-Weathertool - Enter a city name (e.g., "Bogotá")
- Call the tool
- Select the
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/sdkv1.20.0 - Zod: v3.23.8 (for parameter validation)
- TSX: v4 (for running TypeScript)