Server data from the Official MCP Registry
Global weather API: forecasts, historical data, marine, ski, astronomy and timezone.
About
Global weather API: forecasts, historical data, marine, ski, astronomy and timezone.
Remote endpoints: streamable-http: https://mcp.worldweatheronline.com/mcp
Security Report
Valid MCP server (2 strong, 3 medium validity signals). 6 known CVEs in dependencies (0 critical, 3 high severity) Imported from the Official MCP Registry.
Endpoint verified · Requires authentication · 7 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"io-github-worldweatheronline-wwo-mcp": {
"url": "https://mcp.worldweatheronline.com/mcp"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
World Weather Online — MCP Server (Railway)
MCP server for World Weather Online. Lets AI assistants like Claude, Cursor, and others call WWO weather data directly as tools.
Deploy to Railway
Step 1 — Push to GitHub
- Create a new repository on github.com (call it
wwo-mcp-server) - Open Terminal in this folder and run:
git init
git add .
git commit -m "Initial commit"
git remote add origin https://github.com/YOUR_USERNAME/wwo-mcp-server.git
git push -u origin main
Step 2 — Deploy on Railway
- Go to https://railway.app and sign up / log in with GitHub
- Click New Project → Deploy from GitHub repo
- Select your
wwo-mcp-serverrepository - Railway detects Node.js automatically and deploys
Your server will be live at a URL like:
https://wwo-mcp-server-production.up.railway.app
Step 3 — Add Custom Domain
-
In Railway dashboard → your project → Settings → Networking → Custom Domain
-
Type
mcp.worldweatheronline.comand click Add -
Railway shows you a CNAME value like:
wwo-mcp-server-production.up.railway.app -
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
Step 4 — Test
Visit your health endpoint:
https://mcp.worldweatheronline.com/health
Test in MCP Inspector:
https://mcp.worldweatheronline.com/mcp?key=YOUR_WWO_API_KEY
Connecting AI Clients
Claude Desktop
Add to ~/Library/Application Support/Claude/claude_desktop_config.json:
{
"mcpServers": {
"world-weather-online": {
"url": "https://mcp.worldweatheronline.com/mcp?key=YOUR_API_KEY"
}
}
}
Cursor / Windsurf
Add to .cursor/mcp.json:
{
"mcpServers": {
"world-weather-online": {
"url": "https://mcp.worldweatheronline.com/mcp?key=YOUR_API_KEY"
}
}
}
Available Tools
| 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 |
Local Development
npm install
npm run dev
Server runs at http://localhost:3000
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