Remote MCP Server on Cloudflare

What is Remote MCP Server on Cloudflare?

A remote MCP server built to run on Cloudflare Workers with OAuth login, enabling developers to expose MCP tools over the internet and connect them to clients like Claude Desktop.

How to use Remote MCP Server on Cloudflare?

Clone the repository, install dependencies, and run locally with npx nx dev remote-mcp-server. To deploy, create a KV namespace with npx wrangler kv namespace create OAUTH_KV, add the namespace ID to wrangler.jsonc, then run npm run deploy. Connect clients via the MCP Inspector or configure Claude Desktop using the mcp-remote command pointing to the server's SSE URL.

Key features of Remote MCP Server on Cloudflare

• Remote MCP server running on Cloudflare Workers
• OAuth login for authentication
• SSE transport for MCP communication
• Works with MCP Inspector and Claude Desktop
• Simple deployment with Wrangler CLI
• Local development and debugging support

Use cases of Remote MCP Server on Cloudflare

• Deploy custom MCP tools accessible from anywhere
• Connect Claude Desktop to a remote MCP server over the internet
• Develop and test MCP servers locally before deploying
• Use Cloudflare's global edge network for low‑latency access

FAQ from Remote MCP Server on Cloudflare

How do I connect the MCP Inspector to my server?

In the Inspector, set Transport Type to SSE and enter http://localhost:8787/sse (or your deployed workers.dev/sse URL), then click Connect. You will be redirected to a login screen.

How do I connect Claude Desktop to the server?

Edit Claude Desktop's config file to add an mcpServers entry using npx mcp-remote followed by the server's SSE URL. Restart Claude; a browser window will open for OAuth login.

How do I deploy the server to Cloudflare?

Run npx wrangler kv namespace create OAUTH_KV, paste the resulting namespace ID into wrangler.jsonc, then run npm run deploy. The server will be available at your workers.dev URL.

What should I do if things aren't working?

Try restarting Claude, connecting directly via npx mcp-remote <url>, or clearing cached auth files with rm -rf ~/.mcp-auth.

What transport does the server use?

The server communicates via Server‑Sent Events (SSE) at the /sse endpoint.