Remote MCP Server on Cloudflare

@signalcipher

About Remote MCP Server on Cloudflare

No overview available yet

Config

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

{
  "mcpServers": {
    "sc-mcp-server": {
      "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?

This server runs a Model Context Protocol (MCP) server on Cloudflare Workers, complete with OAuth login. It is intended for developers who want to deploy a remote MCP server accessible from any MCP client.

How to use Remote MCP Server on Cloudflare?

Clone the repository, install dependencies, and run npx nx dev remote-mcp-server for local development. For remote deployment, create an OAUTH_KV namespace, add its ID to wrangler.jsonc, and run npm run deploy. Connect clients (e.g., MCP Inspector or Claude Desktop) using the SSE endpoint at http://localhost:8787/sse locally or your workers.dev URL after deployment.

Key features of Remote MCP Server on Cloudflare

Deployable on Cloudflare Workers with OAuth authentication.
Uses Server-Sent Events (SSE) transport.
Testable locally before deployment.
Supports MCP Inspector for tool discovery and calls.
Connects to Claude Desktop via a remote proxy (npx mcp-remote).
Provides a global workers.dev URL for client access.

Use cases of Remote MCP Server on Cloudflare

Deploy a remote MCP server reachable from any internet-connected client.
Give AI assistants like Claude access to custom tools over the web.
Authenticate users with OAuth before allowing tool execution.
Develop and test MCP tools locally, then deploy globally with minimal friction.

FAQ from Remote MCP Server on Cloudflare

How do I run this server locally?

Clone the repo, run npm install, and then execute npx nx dev remote-mcp-server. The server will be available at http://localhost:8787/.

How do I connect the MCP Inspector?

Start the inspector with npx @modelcontextprotocol/inspector, set Transport Type to SSE, and enter http://localhost:8787/sse (or your deployed URL) as the server URL. You will go through a mock OAuth login to connect.

How do I deploy the server to Cloudflare?

First create a KV namespace with npx wrangler kv namespace create OAUTH_KV, add the returned ID to wrangler.jsonc, then run npm run deploy.

How do I connect Claude Desktop to my deployed server?

Edit Claude Desktop’s config file to add an entry using npx mcp-remote pointing to your workers.dev/sse URL (e.g., https://worker-name.account-name.workers.dev/sse). Restart Claude; a login window will open.

What should I do if something goes wrong?

Try restarting Claude, or connect directly using npx mcp-remote http://localhost:8787/sse. In rare cases, clearing ~/.mcp-auth with rm -rf ~/.mcp-auth may help.

Frequently asked questions

How do I run this server locally?

Clone the repo, run `npm install`, and then execute `npx nx dev remote-mcp-server`. The server will be available at `http://localhost:8787/`.

How do I connect the MCP Inspector?

Start the inspector with `npx @modelcontextprotocol/inspector`, set Transport Type to `SSE`, and enter `http://localhost:8787/sse` (or your deployed URL) as the server URL. You will go through a mock OAuth login to connect.

How do I deploy the server to Cloudflare?

First create a KV namespace with `npx wrangler kv namespace create OAUTH_KV`, add the returned ID to `wrangler.jsonc`, then run `npm run deploy`.

How do I connect Claude Desktop to my deployed server?

Edit Claude Desktop’s config file to add an entry using `npx mcp-remote` pointing to your workers.dev/sse URL (e.g., `https://worker-name.account-name.workers.dev/sse`). Restart Claude; a login window will open.

What should I do if something goes wrong?

Try restarting Claude, or connect directly using `npx mcp-remote http://localhost:8787/sse`. In rare cases, clearing `~/.mcp-auth` with `rm -rf ~/.mcp-auth` may help.

Comments

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