Building a Remote MCP Server on Cloudflare (Without Auth)
@aviadkim
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
Fetch the live tool list by running this server in a temporary sandbox using the button above.
Overview
What is Building a Remote MCP Server on Cloudflare (Without Auth)?
This example allows developers to deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers without requiring authentication. It is a template for quickly creating an MCP server that exposes tools over SSE.
How to use Building a Remote MCP Server on Cloudflare (Without Auth)?
Deploy by clicking the "Deploy to Workers" button or by running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless locally. Then customize tools in src/index.ts using this.server.tool(...). Connect from the Cloudflare AI Playground by entering the server URL, or from Claude Desktop using the mcp-remote proxy.
Key features of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploy a remote MCP server without authentication.
- Fully customizable MCP tools in a single file.
- One-click deploy to Cloudflare Workers.
- Connect directly from Cloudflare AI Playground.
- Compatible with Claude Desktop via mcp-remote proxy.
Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploying a remote MCP server for AI agent integrations.
- Rapid prototyping of MCP tools without auth setup.
- Connecting custom tools to Cloudflare AI Playground.
- Using remote MCP tools in Claude Desktop.
FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)
What is this MCP server?
It is a remote MCP server deployed on Cloudflare Workers, designed to run without authentication.
How do I deploy it?
Use the "Deploy to Workers" button or run the provided npm create cloudflare command.
How do I connect to Cloudflare AI Playground?
Enter your deployed server URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse) in the playground's MCP connection settings.
How do I use it with Claude Desktop?
Configure Claude Desktop to use the server via the mcp-remote proxy, specifying the server's SSE URL in the mcpServers configuration.
Does it require authentication?
No, this server is intentionally built without authentication.
Frequently asked questions
What is this MCP server?
It is a remote MCP server deployed on Cloudflare Workers, designed to run without authentication.
How do I deploy it?
Use the "Deploy to Workers" button or run the provided `npm create cloudflare` command.
How do I connect to Cloudflare AI Playground?
Enter your deployed server URL (e.g., `remote-mcp-server-authless.<your-account>.workers.dev/sse`) in the playground's MCP connection settings.
How do I use it with Claude Desktop?
Configure Claude Desktop to use the server via the `mcp-remote` proxy, specifying the server's SSE URL in the `mcpServers` configuration.
Does it require authentication?
No, this server is intentionally built without authentication.
Basic information
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