MCP-Enabled Cloudflare Worker for Claude

What is MCP-Enabled Cloudflare Worker for Claude?

A Cloudflare Worker that implements the Model Context Protocol (MCP), letting Claude access weather, IP geolocation, web search, and custom HTTP requests during conversations.

How to use MCP-Enabled Cloudflare Worker for Claude?

Install Node.js, npm, and the Wrangler CLI. Log in to Cloudflare, clone the repo, install dependencies, run npx workers-mcp setup, set required environment variables in the Cloudflare Dashboard, and deploy with npm run deploy. Once deployed, ask Claude to use the worker (e.g., “Get the weather for Tokyo”).

Key features of MCP-Enabled Cloudflare Worker for Claude

• Fetch current weather for any city.
• Look up detailed IP geolocation data.
• Perform Google searches with customizable result count.
• Make custom HTTP requests with full header/body control.
• Set only the API keys you need; unused functions return errors.
• Deploy and update via Cloudflare Workers.

Use cases of MCP-Enabled Cloudflare Worker for Claude

• Get real-time weather forecasts during a conversation.
• Investigate an IP address’s location and provider.
• Search the web for recent topics or data without leaving the chat.
• Proxy API calls to third‑party services directly from Claude.

FAQ from MCP-Enabled Cloudflare Worker for Claude

What are the prerequisites for running this MCP server?

Node.js, npm, a Cloudflare account, and the Wrangler CLI installed globally.

Which environment variables are required and where are they set?

OPENWEATHERMAP_API_KEY, IPINFO_API_KEY, GOOGLE_API_KEY, and GOOGLE_CX. Set them in the Cloudflare Dashboard (Workers & Pages → Settings → Variables), not in wrangler.toml.

Can I skip a service if I don’t have its API key?

Yes. If you omit an API key, that function will return an error but the worker still works for the other services.

How does Claude communicate with this worker?

The worker implements the Model Context Protocol (MCP) over HTTPS. Claude uses the deployed worker URL automatically based on your prompt.

Are there any usage limits or rate‑limiting?

The README does not specify any built‑in limits; however, third‑party APIs (OpenWeatherMap, ipinfo.io, Google Custom Search) may impose their own quotas.