What transport does the server use?
The server uses SSE (Server-Sent Events) as the transport. In the MCP Inspector, set Transport Type to `SSE` and connect to an endpoint like `http://localhost:8787/sse`.
Remote MCP Server on Cloudflare
@MarcoLuw
Basic information
About Remote MCP Server on Cloudflare
No overview available yet
Remote MCP Server on Cloudflare config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"remote-mcp-server-marcoluw": {
"command": "npx",
"args": [
"nx",
"dev",
"remote-mcp-server"
]
}
}
}Remote MCP Server on Cloudflare tools
Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
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 starter project for deploying a remote MCP (Model Context Protocol) server on Cloudflare Workers with OAuth login. It is for developers who want to expose MCP tools over the internet and connect them to clients like Claude Desktop or the MCP Inspector.
How to use Remote MCP Server on Cloudflare?
Clone the repository, install dependencies with pnpm install, then run locally with npx nx dev remote-mcp-server. Deploy to Cloudflare using npx wrangler kv namespace create OAUTH_KV, add the namespace ID to wrangler.jsonc, and run npm run deploy. Connect clients by pointing them to the server’s SSE endpoint (e.g., http://localhost:8787/sse locally or your workers.dev URL).
Key features of Remote MCP Server on Cloudflare
- Local development with
npx nx dev remote-mcp-server - SSE transport for MCP communication
- OAuth login integration
- Deploy to Cloudflare Workers
- Connect to MCP Inspector for exploration
- Connect Claude Desktop using a remote proxy
Use cases of Remote MCP Server on Cloudflare
- Deploy a remote MCP server accessible from anywhere
- Integrate custom MCP tools with Claude Desktop
- Test and debug MCP tools using the MCP Inspector
- Expose a math tool or other custom tools over HTTPS
- Enable OAuth-protected access to MCP tools
Frequently asked questions
What are the dependencies to run the server locally?
You need Node.js and `pnpm` (not `npm`) installed. The repository is part of the `cloudflare/ai` monorepo, so you clone that and install dependencies with `pnpm install`.
How do I deploy the server to Cloudflare?
Create a KV namespace for OAuth with `npx wrangler kv namespace create OAUTH_KV`, add the resulting ID to your `wrangler.jsonc` file, then run `npm run deploy`. Your server will be available at a `workers.dev` URL.
How do I connect Claude Desktop to the remote server?
Edit the Claude Desktop configuration file and add an MCP server entry with `command: "npx"`, `args: ["mcp-remote", "https://your-worker-url/sse"]`. Restart Claude; a browser window will open for OAuth login.
What authentication does the server use?
The server includes OAuth login. During development a mock login screen appears; when deployed, real OAuth flows through Cloudflare Workers. You must create an `OAUTH_KV` namespace to store session data.
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