Remote MCP Server on Cloudflare

What is Remote MCP Server on Cloudflare?

This server gets a remote MCP (Model Context Protocol) server up and running on Cloudflare Workers, complete with OAuth login. It is intended for developers who want to host an MCP server remotely and connect it to MCP clients like the MCP Inspector or Claude Desktop.

How to use Remote MCP Server on Cloudflare?

Clone the repository, install dependencies with npm install, and run locally with npx nx dev remote-mcp-server. Then connect an MCP client (e.g., the MCP Inspector) via SSE at http://localhost:8787/sse. To deploy, use npx wrangler to create a KV namespace, add it to wrangler.jsonc, and run npm run deploy. Connect Claude Desktop by adding an mcpServers entry using mcp-remote pointing to the Workers URL.

Key features of Remote MCP Server on Cloudflare

• Runs on Cloudflare Workers with OAuth login
• Supports SSE transport for remote MCP clients
• Works with MCP Inspector and Claude Desktop
• Deployable from a local development environment

Use cases of Remote MCP Server on Cloudflare

• Hosting a remote MCP server for AI assistants like Claude
• Testing MCP tools locally before deploying to production
• Building custom MCP toolchains with Cloudflare’s global edge network
• Integrating OAuth‑protected MCP endpoints into existing applications

FAQ from Remote MCP Server on Cloudflare

What does the Remote MCP Server on Cloudflare provide?

It sets up a remote MCP server on Cloudflare Workers with built‑in OAuth login, enabling secure access to MCP tools from any SSE‑capable client.

How do I deploy the Remote MCP Server on Cloudflare?

First create a KV namespace with npx wrangler kv namespace create OAUTH_KV, add the namespace ID to wrangler.jsonc, then run npm run deploy. The server will be available at your Workers subdomain.

How do I connect Claude Desktop to my remote server?

Edit Claude Desktop’s configuration file and add an entry with "command": "npx" and "args": ["mcp-remote", "https://your-worker.workers.dev/sse"]. Restart Claude; a browser window will open for OAuth login.

How can I debug connection issues?

Try restarting Claude, or test the connection directly with npx mcp-remote http://localhost:8787/sse. If authentication files become corrupted, clear them with rm -rf ~/.mcp-auth.

What transport protocol does the server use?

The server uses Server‑Sent Events (SSE) for communication. Clients connect to the /sse endpoint.