Remote MCP Server on Cloudflare

What is Remote MCP Server on Cloudflare?

An MCP (Model Context Protocol) server that runs on Cloudflare Workers with OAuth login, allowing developers to deploy and manage remote MCP servers. It provides a lightweight, serverless way to host MCP tools and make them accessible from clients like 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. Connect via MCP Inspector using SSE URL http://localhost:8787/sse, or configure Claude Desktop with a local proxy (npx mcp-remote http://localhost:8787/sse). Deploy to Cloudflare by creating a KV namespace with npx wrangler kv namespace create OAUTH_KV, updating wrangler.jsonc, and running npm run deploy. For remote access, use the deployed workers.dev URL with /sse endpoint.

Key features of Remote MCP Server on Cloudflare

• OAuth login for secure access
• Local development with SSE transport
• Deploy to Cloudflare Workers with ease
• Works with MCP Inspector for testing
• Connects to Claude Desktop via a proxy

Use cases of Remote MCP Server on Cloudflare

• Test an MCP server locally with the MCP Inspector
• Deploy a remote MCP server to Cloudflare Workers
• Connect Claude Desktop to a remote MCP server
• Integrate custom tools with other MCP clients

FAQ from Remote MCP Server on Cloudflare

How do I run the MCP server locally?

Clone the repo, run npm install, then npx nx dev remote-mcp-server. The server will be available at http://localhost:8787/.

How do I connect Claude Desktop to the server?

Edit Claude Desktop’s config file and add an entry with "command": "npx" and "args": ["mcp-remote", "http://localhost:8787/sse"] (or the remote workers.dev URL). Restart Claude.

How do I deploy the server to Cloudflare?

Create a KV namespace: npx wrangler kv namespace create OAUTH_KV. Add the namespace ID to wrangler.jsonc, then run npm run deploy.

How can I debug if something goes wrong?

Try restarting Claude, or connect directly from the command line with npx mcp-remote http://localhost:8787/sse. In rare cases, clear ~/.mcp-auth with rm -rf ~/.mcp-auth.