Weather MCP Server
An MCP (Model Context Protocol) server that provides temperature conversion tools via HTTP.
Features
- transformFahrenheitToCelsius: Convert temperature from Fahrenheit to Celsius
Installation
npm install
Development
npm run dev
Build
npm run build
Run
npm start
The server will run on http://localhost:3000/mcp by default. You can change the port by setting the PORT environment variable.
Usage
Send POST requests to /mcp endpoint with MCP protocol messages.
Example request to call the tool:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "transformFahrenheitToCelsius",
"arguments": {
"fahrenheit": 98.6
}
}
}
AWS Deployment
This server is ready for AWS Lambda + API Gateway deployment.
Quick Start
First deployment:
npm run deploy
Update existing deployment:
npm run deploy:quick
Delete from AWS:
sam delete --stack-name weather-mcp
Prerequisites
- AWS CLI installed and configured (
aws configure) - AWS SAM CLI installed
- AWS account with appropriate permissions
See DEPLOYMENT.md for detailed setup instructions.
Cost
Should be $0 for testing (within AWS free tier: 1M requests/month).