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Remote MCP Server on Cloudflare

@kentcdodds

Repository

Basic information

Category

Cloud & Infrastructure

Transports

stdio

Author

kentcdodds

About Remote MCP Server on Cloudflare

No overview available yet

#cloudflare#mcp-server#remote-server

Remote MCP Server on Cloudflare config

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

{
  "mcpServers": {
    "cloudflare-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?

A reference implementation that deploys a remote MCP server on Cloudflare Workers with OAuth login, enabling secure, remote tool access over SSE.

How to use Remote MCP Server on Cloudflare?

Clone the repository, install dependencies, and run npx nx dev remote-mcp-server for local development. Deploy with npm run deploy after configuring a KV namespace for OAuth storage. Connect MCP clients (e.g., MCP Inspector or Claude Desktop) by pointing them to the server’s /sse endpoint.

Key features of Remote MCP Server on Cloudflare

  • Deployable to Cloudflare Workers with built-in OAuth login.
  • Supports local development and remote client connections via SSE.
  • Works with MCP Inspector for testing and debugging tools.
  • Integrates with Claude Desktop through a local proxy (mcp-remote).
  • Uses Cloudflare KV for OAuth state management.

Use cases of Remote MCP Server on Cloudflare

  • Running MCP tools on a serverless edge platform for low-latency access.
  • Providing authenticated, remote tool calling to Claude Desktop clients.
  • Prototyping and testing MCP servers locally before production deployment.
  • Building custom math or utility tools that Claude can invoke remotely.

Frequently asked questions

1

What dependencies are required to run the server locally?

You need Node.js, npm, and the repository cloned. Run `npm install` then `npx nx dev remote-mcp-server`.

2

How do I deploy the server to Cloudflare?

Run `npx wrangler kv namespace create OAUTH_KV` to create a KV namespace, add its ID to `wrangler.jsonc`, then run `npm run deploy`.

3

How can I connect Claude Desktop to the server?

Add an entry to Claude Desktop’s config with `command: "npx"`, `args: ["mcp-remote", "http://localhost:8787/sse"]` for local, or the deployed `workers.dev/sse` URL for remote.

4

What transport type does the server use?

It uses SSE (Server-Sent Events) at the `/sse` endpoint.

5

How do I debug connection issues?

Restart Claude, or test directly with `npx mcp-remote http://localhost:8787/sse`. Clearing `~/.mcp-auth` may help if OAuth state is stale.

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