What is Remote MCP Server on Cloudflare?
A setup to deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers with OAuth login. It is intended for developers who want to host MCP tools that can be accessed remotely by MCP clients like Claude Desktop.
How to use Remote MCP Server on Cloudflare?
Clone the repository, install dependencies, and run npx nx dev remote-mcp-server for local development. Use the MCP Inspector with SSE transport at http://localhost:8787/sse to test tools. For deployment, create an OAUTH_KV namespace with npx wrangler kv namespace create OAUTH_KV, add the namespace ID to wrangler.jsonc, then run npm run deploy. Connect Claude Desktop by updating its configuration to point to the local or remote SSE endpoint using npx mcp-remote.
Key features of Remote MCP Server on Cloudflare
- Runs on Cloudflare Workers for global deployment.
- Built-in OAuth login for secure access.
- Supports SSE (Server-Sent Events) transport.
- Integrates with Claude Desktop via a local proxy (
mcp-remote).
- MCP Inspector for local development and testing.
- Simple deployment commands using Wrangler and KV storage.
Use cases of Remote MCP Server on Cloudflare
- Hosting custom MCP tools (e.g., a math tool) for use by MCP clients.
- Connecting Claude Desktop to a remote MCP server over the internet.
- Prototyping and testing MCP servers locally with a mock login.
- Deploying secure, OAuth-protected MCP endpoints on Cloudflare’s edge.
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