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Remote MCP Server on Cloudflare

@alexcraviotto

Repository

Basic information

Category

Cloud & Infrastructure

Transports

stdio

Author

alexcraviotto

About Remote MCP Server on Cloudflare

No overview available yet

#remote-mcp-server#cloudflare#mcp-inspector

Remote MCP Server on Cloudflare config

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

{
  "mcpServers": {
    "remote-mcp-server-alexcraviotto": {
      "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 starter project to deploy a remote MCP (Model Context Protocol) server on Cloudflare Workers with OAuth login, enabling tools to be called from remote MCP clients like Claude Desktop.

How to use Remote MCP Server on Cloudflare?

Clone the repository, install dependencies with npm install, then run locally with npx nx dev remote-mcp-server. Connect using the MCP Inspector with SSE transport (e.g., http://localhost:8787/sse). For Claude Desktop, configure mcpServers with npx mcp-remote pointing to the SSE URL. Deploy to production with npm run deploy after creating an OAuth KV namespace.

Key features of Remote MCP Server on Cloudflare

  • Runs on Cloudflare Workers with zero cold starts
  • Built-in OAuth login flow for authentication
  • Supports local development with hot-reload
  • Connects to MCP Inspector and Claude Desktop
  • Deployed via a single npm command

Use cases of Remote MCP Server on Cloudflare

  • Hosting a custom MCP tool server with user authentication
  • Testing MCP tools locally before production deployment
  • Connecting Claude Desktop to a remote tool server via SSE
  • Building a secure, serverless MCP endpoint for any MCP client

Frequently asked questions

1

What dependencies or runtime are required?

Node.js and npm are required for local development, running the MCP Inspector, and the `mcp-remote` proxy. The deployed server runs on Cloudflare Workers with a KV namespace for OAuth state.

2

How do I connect to the server remotely?

Use an MCP client (e.g., MCP Inspector or Claude Desktop) with the SSE transport and the Worker’s `workers.dev` URL (e.g., `https://worker-name.account-name.workers.dev/sse`). The client must support OAuth redirect for login.

3

Where does OAuth data live?

OAuth session data is stored in a Cloudflare KV namespace (`OAUTH_KV`) created during deployment setup and referenced in `wrangler.jsonc`.

4

How can I debug connection issues?

Restart the MCP client or try connecting directly via command line: `npx mcp-remote http://localhost:8787/sse`. In rare cases, clear the local auth cache with `rm -rf ~/.mcp-auth`.

5

What transport method does the server use?

The server uses Server-Sent Events (SSE) as the MCP transport, accessible at the `/sse` endpoint of both the local and deployed Worker URLs.

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