Building a Remote MCP Server on Cloudflare (Without Auth)

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

This template lets you deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It is for developers who need to expose MCP tools over Server-Sent Events (SSE) to remote clients like the Cloudflare AI Playground or local MCP clients such as Claude Desktop.

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

Deploy via the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. After deployment, the server is available at a URL like remote-mcp-server-authless.<your-account>.workers.dev/sse. Customize tools by editing src/index.ts and adding definitions inside the init() method using this.server.tool(...).

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

• Deploy a remote MCP server on Cloudflare Workers without authentication.
• Uses Server-Sent Events (SSE) as the transport protocol.
• One-click deployment via the Cloudflare dashboard.
• CLI-based creation using npm create cloudflare.
• Easily add custom MCP tools in src/index.ts.
• Compatible with the Cloudflare AI Playground and local MCP clients via mcp-remote.

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

• Expose MCP tools to remote clients without implementing authentication.
• Test MCP tools directly from Cloudflare AI Playground.
• Connect Claude Desktop to a remote MCP server using the mcp-remote proxy.
• Build and prototype serverless AI agent integrations.