Building a Remote MCP Server on Cloudflare (Without Auth)

What is Building a Remote MCP Server on Cloudflare (Without Auth)?

This example allows you to deploy a remote Model Context Protocol (MCP) server that doesn't require authentication on Cloudflare Workers. It is designed for developers who want to create custom MCP tools and make them accessible remotely without needing an auth layer.

How to use Building a Remote MCP Server on Cloudflare (Without Auth)?

Deploy using the “Deploy to Workers” button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools by editing the init() method in src/index.ts using this.server.tool(...). Connect remote clients like Cloudflare AI Playground by entering your server’s URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse), or connect Claude Desktop via the mcp-remote proxy with the provided JSON configuration.

Key features of Building a Remote MCP Server on Cloudflare (Without Auth)

• No authentication required for remote access.
• Deploys directly to Cloudflare Workers.
• Custom tools defined in src/index.ts.
• Compatible with Cloudflare AI Playground.
• Works with local MCP clients via mcp-remote proxy.

Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)

• Host MCP tools as a public endpoint without auth overhead.
• Experiment with MCP tool creation in a serverless environment.
• Connect custom MCP tools to Cloudflare AI Playground.
• Link tools to Claude Desktop through a remote proxy.
• Rapidly prototype and share MCP tools across teams.