Remote MCP Server on Cloudflare

@jalenzz

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-jalenzz": {
      "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 to quickly set up a remote MCP (Model Context Protocol) server on Cloudflare Workers, complete with OAuth login. It is intended for developers who want to expose MCP tools over the internet and connect them to clients like Claude Desktop.

How to use Remote MCP Server on Cloudflare?

Clone the repository, install dependencies with pnpm install, and run locally with npx nx dev remote-mcp-server. Connect via the MCP Inspector (SSE transport) or configure Claude Desktop using the mcp-remote proxy pointing to your local or deployed workers.dev URL.

Key features of Remote MCP Server on Cloudflare

Local development with live reload via nx dev
OAuth login flow for secure access
SSE (Server-Sent Events) transport
Deploy to Cloudflare Workers with npm run deploy
Connect Claude Desktop via a local proxy
Debugging with npx mcp-remote and auth file cleanup

Use cases of Remote MCP Server on Cloudflare

Deploy a remote MCP server for testing with the MCP Inspector
Connect Claude Desktop to a math‑tool MCP server running on Cloudflare
Securely expose custom MCP tools behind OAuth authentication

FAQ from Remote MCP Server on Cloudflare

How do I develop the server locally?

Clone the repo, run pnpm install, then npx nx dev remote-mcp-server and open http://localhost:8787/ in your browser.

How do I connect the MCP Inspector to my server?

Start the Inspector with npx @modelcontextprotocol/inspector, set Transport Type to SSE, enter http://localhost:8787/sse (or your deployed URL), click Connect, and log in with any email/password on the mock login screen.

How do I connect Claude Desktop to the server?

Edit Claude Desktop’s configuration file to add an MCP server entry using npx mcp-remote with the SSE URL (local http://localhost:8787/sse or remote https://worker-name.account-name.workers.dev/sse). A browser window will open for OAuth login.

How do I deploy the server to Cloudflare?

Run npx wrangler kv namespace create OAUTH_KV, add the KV namespace ID to wrangler.jsonc, then run npm run deploy. Use the resulting workers.dev URL as the MCP server endpoint.

What should I do if something goes wrong?

Restart Claude, try connecting directly via npx mcp-remote http://localhost:8787/sse, or clear auth files with rm -rf ~/.mcp-auth.

Frequently asked questions

How do I develop the server locally?

Clone the repo, run `pnpm install`, then `npx nx dev remote-mcp-server` and open `http://localhost:8787/` in your browser.

How do I connect the MCP Inspector to my server?

Start the Inspector with `npx @modelcontextprotocol/inspector`, set Transport Type to `SSE`, enter `http://localhost:8787/sse` (or your deployed URL), click Connect, and log in with any email/password on the mock login screen.

How do I connect Claude Desktop to the server?

Edit Claude Desktop’s configuration file to add an MCP server entry using `npx mcp-remote` with the SSE URL (local `http://localhost:8787/sse` or remote `https://worker-name.account-name.workers.dev/sse`). A browser window will open for OAuth login.

How do I deploy the server to Cloudflare?

Run `npx wrangler kv namespace create OAUTH_KV`, add the KV namespace ID to `wrangler.jsonc`, then run `npm run deploy`. Use the resulting workers.dev URL as the MCP server endpoint.

What should I do if something goes wrong?

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

Comments

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