Building a Remote MCP Server on Cloudflare (Without Auth)
@rosedael
About Building a Remote MCP Server on Cloudflare (Without Auth)
No overview available yet
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"calculator": {
"command": "npx",
"args": [
"mcp-remote",
"http://localhost:8787/sse"
]
}
}
}Tools
No tools detected
We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.
Overview
What is Building a Remote MCP Server on Cloudflare (Without Auth)?
This example lets you deploy a remote MCP server that requires no authentication on Cloudflare Workers. It is intended for developers who want a quick, serverless MCP endpoint.
How to use Building a Remote MCP Server on Cloudflare (Without Auth)?
Deploy using the “Deploy to Workers” button or with npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Customize tools by editing src/index.ts inside the init() method with this.server.tool(...). Connect to Cloudflare AI Playground or Claude Desktop (via the mcp-remote proxy) using the generated SSE URL.
Key features of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploy a remote MCP server with one click
- Add custom tools via
this.server.tool() - No authentication required out of the box
- Integrates with Cloudflare AI Playground
- Connect from local clients using
mcp-remoteproxy - Runs on Cloudflare Workers serverless platform
Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)
- Quickly prototype a remote MCP server for testing
- Serve MCP tools to the Cloudflare AI Playground
- Connect Claude Desktop to a remote MCP server via proxy
- Build cloud‑hosted MCP tools without managing infrastructure
FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)
How do I deploy a Remote MCP Server on Cloudflare (Without Auth)?
Use the “Deploy to Workers” button on the README 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 my MCP server?
Define each tool inside the init() method of src/index.ts using this.server.tool(...). For details see the Cloudflare MCP tools documentation.
How can I connect to Cloudflare AI Playground?
Go to https://playground.ai.cloudflare.com/, enter your deployed URL (e.g., remote-mcp-server-authless.<account>.workers.dev/sse), and use the tools directly.
How do I connect Claude Desktop to this MCP server?
Install the mcp-remote proxy package, then in Claude Desktop’s config add a server with command: "npx", args: ["mcp-remote", "your-URL/sse"]. Restart Claude to see the tools.
What URL format does the deployed server use?
The server is accessible at remote-mcp-server-authless.<your-account>.workers.dev/sse.
Frequently asked questions
How do I deploy a Remote MCP Server on Cloudflare (Without Auth)?
Use the “Deploy to Workers” button on the README 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 my MCP server?
Define each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)`. For details see the Cloudflare MCP tools documentation.
How can I connect to Cloudflare AI Playground?
Go to https://playground.ai.cloudflare.com/, enter your deployed URL (e.g., `remote-mcp-server-authless.<account>.workers.dev/sse`), and use the tools directly.
How do I connect Claude Desktop to this MCP server?
Install the `mcp-remote` proxy package, then in Claude Desktop’s config add a server with `command: "npx", args: ["mcp-remote", "your-URL/sse"]`. Restart Claude to see the tools.
What URL format does the deployed server use?
The server is accessible at `remote-mcp-server-authless.<your-account>.workers.dev/sse`.
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