The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the World Weather Online listing page.
MCP server for World Weather Online. Lets AI assistants like Claude, Cursor, and others call WWO weather data directly as tools.
wwo-mcp-server)wwo-mcp-server repositoryYour server will be live at a URL like:
In Railway dashboard → your project → Settings → Networking → Custom Domain
Type mcp.worldweatheronline.com and click Add
Railway shows you a CNAME value like:
Go to your DNS provider and add:
| Type | Name | Value |
|---|---|---|
| CNAME | mcp | wwo-mcp-server-production.up.railway.app |
SSL certificate is provisioned automatically within minutes
Visit your health endpoint:
Test in MCP Inspector:
Add to ~/Library/Application Support/Claude/claude_desktop_config.json:
Add to .cursor/mcp.json:
| Tool | Description |
|---|---|
get_weather | Current conditions + 14-day forecast |
get_historical_weather | Past weather from 2008 onwards |
get_marine_weather | Swell, tides, water temperature |
get_ski_weather | Top/mid/base elevation forecasts |
search_location | Location autocomplete |
get_astronomy | Sunrise, sunset, moon phase |
get_timezone | Local time + UTC offset |
get_climate_averages | Monthly 12-year climate averages |
Server runs at http://localhost:3000