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Building a Remote MCP Server on Cloudflare (Without Auth)

@jim-steele

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

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

Config

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Repository

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Overview

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

This example allows you to deploy a remote MCP server that does not require authentication on Cloudflare Workers. It is intended for developers who want to quickly host MCP tools over SSE.

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 inside the init() method of src/index.ts using this.server.tool(...). Connect from Cloudflare AI Playground or local clients via the mcp-remote proxy.

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

  • Deploy a remote MCP server without auth on Cloudflare Workers
  • Customize tools inside the init() method
  • Connect from Cloudflare AI Playground (remote MCP client)
  • Connect from Claude Desktop via mcp-remote proxy
  • Uses SSE transport

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

  • Hosting MCP tools remotely without authentication
  • Integrating MCP tools with Cloudflare AI Playground
  • Connecting remote MCP servers to local clients like Claude Desktop
  • Quickly prototyping MCP servers on Cloudflare Workers

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

How do I deploy the MCP server?

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

How do I customize the MCP tools?

Define each tool inside the init() method of src/index.ts using this.server.tool(...).

How do I connect from Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (ending in /sse), and use the tools directly.

How do I connect from Claude Desktop?

Use the mcp-remote proxy and configure Claude Desktop's mcpServers with command npx and args ["mcp-remote", "<URL>/sse"]. Restart Claude to see the tools.

Does this MCP server require authentication?

No, this example is specifically deployed without authentication.

Frequently asked questions

How do I deploy the MCP server?

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

How do I customize the MCP tools?

Define each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)`.

How do I connect from Cloudflare AI Playground?

Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (ending in `/sse`), and use the tools directly.

How do I connect from Claude Desktop?

Use the `mcp-remote` proxy and configure Claude Desktop's `mcpServers` with command `npx` and args `["mcp-remote", "<URL>/sse"]`. Restart Claude to see the tools.

Does this MCP server require authentication?

No, this example is specifically deployed without authentication.

Comments

Basic information

Category

Developer Tools

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Author

jim-steele

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