Remote MCP Server on Cloudflare
@zzerding
About Remote MCP Server on Cloudflare
No overview available yet
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"remote-mcp-server-zzerding": {
"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?
Remote MCP Server on Cloudflare is a template for deploying a Model Context Protocol (MCP) server on Cloudflare Workers with OAuth login. It lets you run MCP tools remotely and connect clients like Claude Desktop or the MCP Inspector over SSE.
How to use Remote MCP Server on Cloudflare?
Clone the repository, install dependencies with npm install, and run locally with npx nx dev remote-mcp-server. Deploy to Cloudflare by creating a KV namespace (npx wrangler kv namespace create OAUTH_KV), adding its ID to wrangler.jsonc, then running npm run deploy. Connect clients using npx mcp-remote <url>/sse or configure Claude Desktop’s config with the mcp-remote command pointing to your server’s SSE endpoint.
Key features of Remote MCP Server on Cloudflare
- Runs on Cloudflare Workers with OAuth login
- Uses SSE (Server-Sent Events) transport
- Local development environment with hot reload
- Supports connection via MCP Inspector and Claude Desktop
- Includes a local proxy (
mcp-remote) for remote clients
Use cases of Remote MCP Server on Cloudflare
- Hosting MCP tools as a remote cloud service
- Connecting Claude Desktop to custom MCP servers behind OAuth
- Prototyping and testing MCP servers locally before deployment
- Using the MCP Inspector to explore and call tools remotely
FAQ from Remote MCP Server on Cloudflare
How do I run the server locally?
Clone the repo, run npm install, then npx nx dev remote-mcp-server. The server will be available at http://localhost:8787/.
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 remote URL), and click Connect. Complete the OAuth login to see and call tools.
How do I connect Claude Desktop to the server?
Edit Claude Desktop’s config file (Settings > Developer > Edit Config) and add an entry with command: "npx", args: ["mcp-remote", "http://localhost:8787/sse"] (or your remote URL). Restart Claude; a browser will open for OAuth login.
How do I deploy to Cloudflare?
Create a KV namespace with npx wrangler kv namespace create OAUTH_KV, add its ID to wrangler.jsonc, then run npm run deploy. The server will be available at your workers.dev URL.
How can I debug connection issues?
Restart Claude or test connectivity with npx mcp-remote http://localhost:8787/sse. In rare cases, clear cached auth data with rm -rf ~/.mcp-auth.
Frequently asked questions
How do I run the server locally?
Clone the repo, run `npm install`, then `npx nx dev remote-mcp-server`. The server will be available at `http://localhost:8787/`.
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 remote URL), and click Connect. Complete the OAuth login to see and call tools.
How do I connect Claude Desktop to the server?
Edit Claude Desktop’s config file (Settings > Developer > Edit Config) and add an entry with `command: "npx"`, `args: ["mcp-remote", "http://localhost:8787/sse"]` (or your remote URL). Restart Claude; a browser will open for OAuth login.
How do I deploy to Cloudflare?
Create a KV namespace with `npx wrangler kv namespace create OAUTH_KV`, add its ID to `wrangler.jsonc`, then run `npm run deploy`. The server will be available at your `workers.dev` URL.
How can I debug connection issues?
Restart Claude or test connectivity with `npx mcp-remote http://localhost:8787/sse`. In rare cases, clear cached auth data with `rm -rf ~/.mcp-auth`.
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