Remote MCP Server on Cloudflare

@tomtev

About Remote MCP Server on Cloudflare

No overview available yet

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

Config

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

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

Tools

No tools detected

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 template for hosting a remote MCP (Model Context Protocol) server on Cloudflare Workers, complete with OAuth login. It is intended for developers who want to run MCP tools on a serverless platform and connect them to AI clients like Claude Desktop.

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 by creating a KV namespace with npx wrangler kv namespace create OAUTH_KV, adding the namespace ID to wrangler.jsonc, and running npm run deploy. Connect clients (MCP Inspector or Claude Desktop) via SSE at the server’s /sse endpoint.

Key features of Remote MCP Server on Cloudflare

Remote MCP server running on Cloudflare Workers
OAuth login flow built in
SSE (Server‑Sent Events) transport
Local development with MCP Inspector support
Direct integration with Claude Desktop via mcp-remote proxy

Use cases of Remote MCP Server on Cloudflare

Deploying MCP tools on a serverless edge network
Remotely calling MCP tools from AI assistants like Claude
Prototyping and testing MCP servers locally before deploying

FAQ from Remote MCP Server on Cloudflare

How do I run the server locally?

Clone the repo, run npx nx dev remote-mcp-server in the ai directory, then open http://localhost:8787/ in a browser.

How do I connect the MCP Inspector to my local server?

Start the inspector with npx @modelcontextprotocol/inspector, set Transport Type to SSE and URL to http://localhost:8787/sse, then click “Connect”. You will be prompted to log in (any email/password works in the mock flow).

How do I deploy the server to Cloudflare?

Create a KV namespace with npx wrangler kv namespace create OAUTH_KV, paste the returned ID into your wrangler.jsonc file, then run npm run deploy.

How do I connect Claude Desktop to a remote instance?

Update your Claude Desktop config file to use the mcp-remote command and point it to your workers.dev URL (e.g., https://worker-name.account-name.workers.dev/sse). Restart Claude; a browser window will open for login.

How can I debug connection issues?

Try connecting directly from the command line with npx mcp-remote http://localhost:8787/sse. In rare cases, clearing the ~/.mcp-auth folder can resolve authentication problems. Restarting Claude may also help.

Frequently asked questions

How do I run the server locally?

Clone the repo, run `npx nx dev remote-mcp-server` in the `ai` directory, then open `http://localhost:8787/` in a browser.

How do I connect the MCP Inspector to my local server?

Start the inspector with `npx @modelcontextprotocol/inspector`, set Transport Type to `SSE` and URL to `http://localhost:8787/sse`, then click “Connect”. You will be prompted to log in (any email/password works in the mock flow).

How do I deploy the server to Cloudflare?

Create a KV namespace with `npx wrangler kv namespace create OAUTH_KV`, paste the returned ID into your `wrangler.jsonc` file, then run `npm run deploy`.

How do I connect Claude Desktop to a remote instance?

Update your Claude Desktop config file to use the `mcp-remote` command and point it to your `workers.dev` URL (e.g., `https://worker-name.account-name.workers.dev/sse`). Restart Claude; a browser window will open for login.

How can I debug connection issues?

Try connecting directly from the command line with `npx mcp-remote http://localhost:8787/sse`. In rare cases, clearing the `~/.mcp-auth` folder can resolve authentication problems. Restarting Claude may also help.

Comments

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