Remote MCP Server on Cloudflare

@lellocb

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-lellocb": {
      "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?

An MCP (Model Context Protocol) server that runs on Cloudflare Workers, complete with OAuth login. It is intended for developers who want to host and connect remote MCP tools to 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. Deploy to Cloudflare using npm run deploy after creating a KV namespace. Connect clients (e.g., MCP Inspector or Claude Desktop) via SSE using the worker's URL (e.g., https://worker-name.account-name.workers.dev/sse).

Key features of Remote MCP Server on Cloudflare

Runs on Cloudflare Workers
OAuth login support
Uses SSE transport
Deployable with a single command
Local development with live reload
Works with MCP Inspector and Claude Desktop

Use cases of Remote MCP Server on Cloudflare

Hosting a math tool accessible via Claude Desktop
Running a remote MCP server for custom tools
Prototyping and testing MCP tools locally before deploying

FAQ from Remote MCP Server on Cloudflare

How do I test the server locally?

Run npx nx dev remote-mcp-server and open http://localhost:8787/. Use the MCP Inspector with SSE and URL http://localhost:8787/sse.

How do I connect Claude Desktop to the server?

Edit Claude Desktop’s config file and add an entry using npx mcp-remote with the server’s SSE URL (local http://localhost:8787/sse or remote https://worker-name.account-name.workers.dev/sse).

What dependencies are required?

Node.js and npm are needed for local development. Deployment requires a Cloudflare account and wrangler CLI.

Where is authentication data stored?

OAuth data is stored in a Cloudflare KV namespace (OAUTH_KV) created via npx wrangler kv namespace create.

How can I debug connection issues?

Restart Claude, or test the server directly with npx mcp-remote http://localhost:8787/sse. In rare cases, clear ~/.mcp-auth with rm -rf ~/.mcp-auth.

Frequently asked questions

How do I test the server locally?

Run `npx nx dev remote-mcp-server` and open `http://localhost:8787/`. Use the MCP Inspector with SSE and URL `http://localhost:8787/sse`.

How do I connect Claude Desktop to the server?

Edit Claude Desktop’s config file and add an entry using `npx mcp-remote` with the server’s SSE URL (local `http://localhost:8787/sse` or remote `https://worker-name.account-name.workers.dev/sse`).

What dependencies are required?

Node.js and npm are needed for local development. Deployment requires a Cloudflare account and `wrangler` CLI.

Where is authentication data stored?

OAuth data is stored in a Cloudflare KV namespace (`OAUTH_KV`) created via `npx wrangler kv namespace create`.

How can I debug connection issues?

Restart Claude, or test the server directly with `npx mcp-remote http://localhost:8787/sse`. In rare cases, clear `~/.mcp-auth` with `rm -rf ~/.mcp-auth`.

Comments

Basic information

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