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Remote MCP Server on Cloudflare

@alontu

Basic information

Category

Cloud & Infrastructure

Transports

stdio

Author

alontu

About Remote MCP Server on Cloudflare

No overview available yet

Remote MCP Server on Cloudflare config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "tuval-remote-mcp-server": {
      "command": "npx",
      "args": [
        "nx",
        "dev",
        "remote-mcp-server"
      ]
    }
  }
}

Remote MCP Server on Cloudflare tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is Remote MCP Server on Cloudflare?

Remote MCP Server on Cloudflare is a template to get a remote MCP server up-and-running on Cloudflare Workers complete with OAuth login. It integrates with the Model Context Protocol (MCP) and is intended for developers who want to host MCP tools on the Cloudflare edge network.

How to use Remote MCP Server on Cloudflare?

Clone the repository, install dependencies, and run locally with npx nx dev remote-mcp-server. Connect via the MCP Inspector by selecting SSE transport and entering http://localhost:8787/sse. For deployment, create a KV namespace (npx wrangler kv namespace create OAUTH_KV), add its ID to wrangler.jsonc, then run npm run deploy. Use the resulting workers.dev/sse URL to connect remote clients.

Key features of Remote MCP Server on Cloudflare

  • Runs on Cloudflare Workers edge network
  • Built‑in OAuth login for authentication
  • Uses SSE (Server‑Sent Events) as the transport
  • Local development with MCP Inspector
  • Direct integration with Claude Desktop via mcp-remote proxy
  • One‑command deployment with Wrangler CLI

Use cases of Remote MCP Server on Cloudflare

  • Host a secure, remote MCP server with OAuth authentication
  • Connect AI assistants like Claude to custom tools over HTTP
  • Develop and test MCP tools locally before deploying to production
  • Provide a math tool (e.g., addition) accessible from any remote MCP client
  • Share MCP tools across teams or applications via a public endpoint

Frequently asked questions

1

How do I set up OAuth?

The OAuth login is built into the server. When you deploy, you create a Cloudflare KV namespace (`OAUTH_KV`) that stores session data. During local development, a mock login screen is shown; in production, you can customize the OAuth flow.

2

What transport does Remote MCP Server on Cloudflare use?

The server uses SSE (Server‑Sent Events) as the transport protocol. Clients connect to the `/sse` endpoint.

3

How do I connect Claude Desktop to my remote MCP server?

Add an entry to the Claude Desktop configuration that uses `mcp-remote` as the command, pointing to your deployed `workers.dev/sse` URL (e.g., `https://worker-name.account-name.workers.dev/sse`). Restart Claude to see the available tools.

4

How can I debug if something goes wrong?

Restart Claude, or try connecting directly with `npx mcp-remote http://localhost:8787/sse`. In rare cases, clear the files in `~/.mcp-auth` with `rm -rf ~/.mcp-auth`.

5

Where are OAuth session data stored?

The OAuth session data is stored in a Cloudflare KV namespace called `OAUTH_KV`. You must create this namespace before deployment and reference its ID in `wrangler.jsonc`.

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