What is Remote MCP Server on Cloudflare?
A starter project to deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers with OAuth login. It is intended for developers who want 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 with npm install, and run locally via 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, and run npm run deploy. Connect clients by pointing them to the server’s /sse endpoint using the MCP Inspector or by configuring Claude Desktop with the mcp-remote proxy command.
Key features of Remote MCP Server on Cloudflare
- Runs as a Cloudflare Worker with OAuth login.
- Uses SSE (Server-Sent Events) transport for MCP.
- Includes a sample math tool ready to call.
- Connects to MCP Inspector, Claude Desktop, and remote clients.
- Stores OAuth data in a Workers KV namespace.
Use cases of Remote MCP Server on Cloudflare
- Deploy a remote MCP server accessible from any MCP client over the internet.
- Prototype and test MCP tools locally before deploying to production.
- Integrate a custom MCP server with Claude Desktop for AI-assisted tool calling.
- Build a secure, OAuth-protected endpoint for MCP tools on Cloudflare’s edge network.
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