Building a Remote MCP Server on Cloudflare (Without Auth)
@365cent
About Building a Remote MCP Server on Cloudflare (Without Auth)
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Config
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RepositoryTools
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Overview
What is Building a Remote MCP Server on Cloudflare (Without Auth)?
This server lets you deploy a remote Model Context Protocol (MCP) server on Cloudflare Workers without requiring authentication. It is intended for developers who want to expose MCP tools over HTTP/SSE and connect them to remote or local MCP clients.
How to use Building a Remote MCP Server on Cloudflare (Without Auth)?
Deploy with one click using the "Deploy to Workers" button, or via npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. The server URL will be remote-mcp-server-authless.<your-account>.workers.dev/sse. Customize tools by editing src/index.ts 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 without any authentication.
- Fully customizable tools defined in
src/index.ts. - Connect from Cloudflare AI Playground or any SSE‑capable MCP client.
- Works with local MCP clients via the
mcp-remoteproxy.
Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)
- Exposing MCP tools to remote AI playgrounds for experimentation.
- Quickly prototyping MCP tools without managing auth infrastructure.
- Integrating server‑side tools with desktop MCP clients like Claude Desktop.
FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)
How do I deploy this 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 add my own tools?
Define each tool inside the init() method of src/index.ts using this.server.tool(...).
Which transport does the server use?
The server communicates over SSE (Server‑Sent Events).
Can I connect from Claude Desktop?
Yes, by using the mcp-remote proxy (npx mcp-remote <server-url>) in Claude Desktop’s MCP configuration.
Is authentication required?
No — this template deliberately deploys an MCP server without any authentication.
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Frequently asked questions
How do I deploy this 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 add my own tools?
Define each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)`.
Which transport does the server use?
The server communicates over SSE (Server‑Sent Events).
Can I connect from Claude Desktop?
Yes, by using the `mcp-remote` proxy (`npx mcp-remote <server-url>`) in Claude Desktop’s MCP configuration.
Is authentication required?
No — this template deliberately deploys an MCP server without any authentication. — — —
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