Building a Remote MCP Server on Cloudflare (Without Auth)
@Mechanicalgoat
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)?
A deployable remote MCP server that runs on Cloudflare Workers with no authentication required. It provides an SSE endpoint and allows custom tool definitions.
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 src/index.ts using this.server.tool(...). Connect to Cloudflare AI Playground by entering the deployed URL, or to Claude Desktop using the mcp-remote proxy.
Key features of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploys to Cloudflare Workers with a single click.
- No authentication required.
- Supports custom MCP tools.
- Uses SSE transport.
- Can be connected from remote or local MCP clients.
Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)
- Expose MCP tools via a publicly accessible URL.
- Connect MCP tools to Cloudflare AI Playground.
- Use with Claude Desktop via the mcp-remote proxy.
FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)
Does this MCP server require authentication?
No. It is explicitly designed to run without authentication.
How do I deploy the server?
Use the "Deploy to Workers" button on the GitHub page, or run the npm create cloudflare command with the provided template.
Can I add my own tools to the server?
Yes. Define each tool inside the init() method of src/index.ts using this.server.tool(...).
How do I connect a local MCP client like Claude Desktop?
Use the mcp-remote proxy. Configure Claude Desktop with the proxy command and your server's SSE URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse).
Frequently asked questions
Does this MCP server require authentication?
No. It is explicitly designed to run without authentication.
How do I deploy the server?
Use the "Deploy to Workers" button on the GitHub page, or run the `npm create cloudflare` command with the provided template.
Can I add my own tools to the server?
Yes. Define each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)`.
How do I connect a local MCP client like Claude Desktop?
Use the `mcp-remote` proxy. Configure Claude Desktop with the proxy command and your server's SSE URL (e.g., `remote-mcp-server-authless.<your-account>.workers.dev/sse`).
Basic information
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