Building a Remote MCP Server on Cloudflare (Without Auth)
@elizabethsiegle
About Building a Remote MCP Server on Cloudflare (Without Auth)
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Basic information
Config
No standard config provided
This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.
RepositoryTools
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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)?
A template and deployment guide for creating a remote MCP server that runs on Cloudflare Workers without requiring authentication. It allows developers to define custom tools and connect them to MCP clients.
How to use Building a Remote MCP Server on Cloudflare (Without Auth)?
Deploy by clicking the "Deploy to Workers" button or running npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless. Add custom tools in src/index.ts inside the init() method using this.server.tool(...). Connect clients like Cloudflare AI Playground (enter the SSE URL) or Claude Desktop (via the mcp-remote proxy).
Key features of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploy on Cloudflare Workers with a single button
- No authentication required for the MCP server
- Add custom tools using a standard MCP API
- Connect directly from Cloudflare AI Playground
- Works with Claude Desktop via the mcp-remote proxy
Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)
- Quickly spin up a remote MCP server for testing or demos
- Expose MCP tools without needing user authentication
- Integrate MCP tools with Cloudflare AI Playground
- Use MCP tools in Claude Desktop from a remote server
FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)
How do I deploy the MCP server?
Click the "Deploy to Workers" button in the README, or use npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless.
How do I add my own tools?
Inside src/index.ts, in the init() method, define each tool using this.server.tool(...).
How do I connect Cloudflare AI Playground?
Go to https://playground.ai.cloudflare.com/, enter your deployed server URL (e.g., remote-mcp-server-authless.<your-account>.workers.dev/sse), and start using the tools.
How do I connect Claude Desktop?
Use the mcp-remote proxy (npx mcp-remote) and update the Claude Desktop config to point to your server’s SSE endpoint.
Does this server require authentication?
No, this deployment deliberately does not include authentication.
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