Building a Remote MCP Server on Cloudflare (Without Auth)
@TiagoRechau
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 example lets you deploy a remote MCP server that does not require authentication on Cloudflare Workers. It is intended for developers who want to run an MCP server without auth and connect it to clients like Cloudflare AI Playground or 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. Customize tools by editing the init() method in src/index.ts. Connect clients using the SSE endpoint (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse). For Claude Desktop, use the mcp-remote proxy with the server URL.
Key features of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploys a remote MCP server without authentication.
- Runs on Cloudflare Workers.
- Customizable tools via
this.server.tool(...). - Connects directly to Cloudflare AI Playground.
- Works with Claude Desktop using mcp-remote proxy.
Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploy a public MCP server for open access.
- Integrate MCP tools into Cloudflare AI Playground workflows.
- Use custom MCP tools from Claude Desktop remotely.
- Prototype MCP services without auth infrastructure.
FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)
What does this server do?
It provides a ready‑to‑deploy MCP server on Cloudflare Workers that does not require authentication, enabling remote tool access via SSE.
How do I deploy this MCP server?
Use the "Deploy to Workers" button or run npm create cloudflare@latest with the provided template. Your server will be available at a URL like remote-mcp-server-authless.<your-account>.workers.dev/sse.
How can I add my own tools?
Edit the init() method in src/index.ts and define each tool with this.server.tool(...).
How do I connect to Cloudflare AI Playground?
Go to https://playground.ai.cloudflare.com/, enter your server's SSE URL, and use your tools directly from the playground.
How do I connect to Claude Desktop?
Use the mcp-remote npm proxy. Add a configuration entry in Claude Desktop pointing npx mcp-remote to your server's SSE URL.
Frequently asked questions
What does this server do?
It provides a ready‑to‑deploy MCP server on Cloudflare Workers that does not require authentication, enabling remote tool access via SSE.
How do I deploy this MCP server?
Use the "Deploy to Workers" button or run `npm create cloudflare@latest` with the provided template. Your server will be available at a URL like `remote-mcp-server-authless.<your-account>.workers.dev/sse`.
How can I add my own tools?
Edit the `init()` method in `src/index.ts` and define each tool with `this.server.tool(...)`.
How do I connect to Cloudflare AI Playground?
Go to https://playground.ai.cloudflare.com/, enter your server's SSE URL, and use your tools directly from the playground.
How do I connect to Claude Desktop?
Use the `mcp-remote` npm proxy. Add a configuration entry in Claude Desktop pointing `npx mcp-remote` to your server's SSE URL.
Basic information
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