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Building a Remote MCP Server on Cloudflare (Without Auth)

@saachi-sonata

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About Building a Remote MCP Server on Cloudflare (Without Auth)

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#remote-mcp-server#cloudflare#mcp-server

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Overview

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

This example deploys a remote Model Context Protocol (MCP) server that requires no authentication on Cloudflare Workers. It is for developers who want a simple, publicly accessible MCP endpoint to expose tools to AI clients.

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

Deploy by clicking the "Deploy to Workers" button or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless locally. To add custom tools, edit src/index.ts and define each tool inside the init() method using this.server.tool(...).

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

  • No authentication required on the MCP server.
  • Deployable with a single click or CLI command.
  • Runs on Cloudflare Workers global network.
  • Connects to Cloudflare AI Playground and local MCP clients.
  • Supports custom tool definitions via code.

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

  • Expose AI tools via SSE to the Cloudflare AI Playground.
  • Connect the remote MCP server to Claude Desktop using the mcp-remote proxy.
  • Rapidly prototype and test MCP tools without setting up authentication.
  • Host lightweight, serverless tool endpoints for MCP-compatible clients.

FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)

How do I deploy this MCP server?

Click the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless in your terminal.

How do I add custom tools to the MCP server?

Edit src/index.ts and define each tool inside the init() method using this.server.tool(...).

How do I connect the MCP server to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse), and you can use the tools directly.

How do I connect Claude Desktop to this MCP server?

Use the mcp-remote proxy. Add a configuration entry in Claude Desktop’s Developer settings with the mcp-remote command and your server URL (e.g., http://localhost:8787/sse or the deployed URL).

Does this MCP server require authentication?

No, the server is deliberately built without authentication as the name implies.

Frequently asked questions

How do I deploy this MCP server?

Click the "Deploy to Workers" button or run `npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless` in your terminal.

How do I add custom tools to the MCP server?

Edit `src/index.ts` and define each tool inside the `init()` method using `this.server.tool(...)`.

How do I connect the MCP server to Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (e.g., `remote-mcp-server-authless.<your-account>.workers.dev/sse`), and you can use the tools directly.

How do I connect Claude Desktop to this MCP server?

Use the `mcp-remote` proxy. Add a configuration entry in Claude Desktop’s Developer settings with the `mcp-remote` command and your server URL (e.g., `http://localhost:8787/sse` or the deployed URL).

Does this MCP server require authentication?

No, the server is deliberately built without authentication as the name implies.

Comments

Basic information

Category

Developer Tools

Transports

stdio

Author

saachi-sonata

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