Remote MCP Server on Cloudflare

@peanut996

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-peanut996": {
      "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 guide and example repository for deploying a remote MCP (Model Context Protocol) server on Cloudflare Workers with OAuth login. It is intended for developers who want to host MCP tools on Cloudflare’s edge network and connect clients like the MCP Inspector or Claude Desktop.

How to use Remote MCP Server on Cloudflare?

Clone the cloudflare/ai repo, install dependencies with npm install, and run npx nx dev remote-mcp-server for local development. Deploy with npx wrangler kv namespace create OAUTH_KV, add the KV namespace ID to wrangler.jsonc, then npm run deploy. Connect clients over SSE by pointing them to the server’s /sse endpoint.

Key features of Remote MCP Server on Cloudflare

Run MCP servers on Cloudflare Workers with OAuth authentication.
Develop locally with live reload via npx nx dev.
Test tools with the MCP Inspector over SSE.
Connect Claude Desktop through the mcp-remote proxy.
Deploy to a public workers.dev URL.
Example math tool (add) included in the repository.

Use cases of Remote MCP Server on Cloudflare

Hosting remote MCP tools for AI assistants like Claude.
Prototyping custom MCP servers with OAuth login.
Demonstrating remote MCP client-server connections.
Building and testing MCP endpoints before production deployment.

FAQ from Remote MCP Server on Cloudflare

What transport protocol does the server use?

The server uses SSE (Server-Sent Events) as the transport protocol.

How do I connect Claude Desktop to the server?

Add an entry to Claude’s configuration file that uses npx mcp-remote pointing to the server’s /sse URL, for example: https://worker-name.account-name.workers.dev/sse.

What are the dependencies for local development?

You need Node.js, npm, and the wrangler CLI installed. Clone the cloudflare/ai repository and run npm install.

How do I deploy the server to Cloudflare?

Create a KV namespace named OAUTH_KV with npx wrangler kv namespace create OAUTH_KV, add its ID to wrangler.jsonc, then run npm run deploy.

How can I debug connection issues?

Restart Claude or test the connection directly with npx mcp-remote http://localhost:8787/sse. In some cases, clearing ~/.mcp-auth may help.

Frequently asked questions

What transport protocol does the server use?

The server uses SSE (Server-Sent Events) as the transport protocol.

How do I connect Claude Desktop to the server?

Add an entry to Claude’s configuration file that uses `npx mcp-remote` pointing to the server’s `/sse` URL, for example: `https://worker-name.account-name.workers.dev/sse`.

What are the dependencies for local development?

You need Node.js, npm, and the `wrangler` CLI installed. Clone the `cloudflare/ai` repository and run `npm install`.

How do I deploy the server to Cloudflare?

Create a KV namespace named `OAUTH_KV` with `npx wrangler kv namespace create OAUTH_KV`, add its ID to `wrangler.jsonc`, then run `npm run deploy`.

How can I debug connection issues?

Restart Claude or test the connection directly with `npx mcp-remote http://localhost:8787/sse`. In some cases, clearing `~/.mcp-auth` may help.

Comments

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