Building a Remote MCP Server on Cloudflare (Without Auth)
@zackgilbert
About Building a Remote MCP Server on Cloudflare (Without Auth)
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Config
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Overview
What is Building a Remote MCP Server on Cloudflare (Without Auth)?
This example deploys a remote Model Context Protocol (MCP) server on Cloudflare Workers that does not require authentication. It uses SSE (Server-Sent Events) transport and allows AI clients to connect and use custom tools.
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. After deployment, connect from Cloudflare AI Playground by entering the SSE URL, or from Claude Desktop by configuring the mcp-remote proxy with the same URL.
Key features of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deployable on Cloudflare Workers with no authentication.
- Uses SSE transport for remote MCP communication.
- Custom tools defined in
src/index.tsviathis.server.tool(). - One-click deployment via Cloudflare button.
- Connects to Cloudflare AI Playground and Claude Desktop.
Use cases of Building a Remote MCP Server on Cloudflare (Without Auth)
- Deploy a remote MCP server for AI agents without needing authentication.
- Integrate custom MCP tools directly into Cloudflare AI Playground.
- Connect remote MCP tools to Claude Desktop using a local proxy.
FAQ from Building a Remote MCP Server on Cloudflare (Without Auth)
What does this server do?
It provides a remote MCP server that runs on Cloudflare Workers, allowing AI clients to call tools over SSE without authentication.
How do I deploy it?
You can click the "Deploy to Workers" button or use the command npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless.
How do I add custom tools?
Define each tool inside the init() method of src/index.ts using this.server.tool(...).
Frequently asked questions
What does this server do?
It provides a remote MCP server that runs on Cloudflare Workers, allowing AI clients to call tools over SSE without authentication.
How do I deploy it?
You can click the "Deploy to Workers" button or use the command `npm create cloudflare@latest -- my-mcp-server --template=cloudflare/ai/demos/remote-mcp-authless`.
How do I add custom tools?
Define each tool inside the `init()` method of `src/index.ts` using `this.server.tool(...)`.
Basic information
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