Building a Remote MCP Server on Cloudflare (Without Auth)
@shankarpriyank
About Building a Remote MCP Server on Cloudflare (Without Auth)
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Config
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Overview
What is Building a Remote MCP Server on Cloudflare (Without Auth)?
This example lets you deploy a remote MCP server on Cloudflare Workers without requiring authentication. It is a template for developers who want to quickly create and host a remote MCP server with custom tools.
How to use Building a Remote MCP Server on Cloudflare (Without Auth)?
Deploy by clicking the "Deploy to Workers" button or run npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools in src/index.ts inside the init() method using this.server.tool(...). Connect to the server from Cloudflare AI Playground by entering the deployed URL, or from Claude Desktop via the mcp-remote proxy with the server’s SSE endpoint.
Key features of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploy a remote MCP server without any authentication.
- Built on Cloudflare Workers for fast, global deployment.
- Add your own custom tools using the
server.tool()method. - Connect directly from Cloudflare AI Playground (remote MCP client).
- Works with local MCP clients via the
mcp-remoteproxy.
Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)
- Quickly prototyping a remote MCP server without authentication overhead.
- Hosting tools accessible from Cloudflare’s AI Playground for testing.
- Exposing MCP tools to local clients like Claude Desktop using mcp-remote.
FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)
How do I deploy the MCP server?
Use the “Deploy to Workers” button linked in the README, or run the provided npm create cloudflare command with the template.
How do I add my own tools?
Edit the src/index.ts file and define each tool inside the init() method using this.server.tool(...).
How do I connect to Cloudflare AI Playground?
Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (ending with /sse), and start using your tools.
How do I connect Claude Desktop to the server?
Install the mcp-remote package, then configure Claude Desktop’s MCP settings to point to your server’s SSE endpoint using the command npx mcp-remote <url>.
Does the MCP server require authentication?
No, this example explicitly deploys a remote MCP server without any authentication.
Frequently asked questions
How do I deploy the MCP server?
Use the “Deploy to Workers” button linked in the README, or run the provided `npm create cloudflare` command with the template.
How do I add my own tools?
Edit the `src/index.ts` file and define each tool inside the `init()` method using `this.server.tool(...)`.
How do I connect to Cloudflare AI Playground?
Go to https://playground.ai.cloudflare.com/, enter your deployed MCP server URL (ending with `/sse`), and start using your tools.
How do I connect Claude Desktop to the server?
Install the `mcp-remote` package, then configure Claude Desktop’s MCP settings to point to your server’s SSE endpoint using the command `npx mcp-remote <url>`.
Does the MCP server require authentication?
No, this example explicitly deploys a remote MCP server without any authentication.
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