Remote MCP Server on Cloudflare

What is Remote MCP Server on Cloudflare?

It lets you get a remote MCP server up-and-running on Cloudflare Workers complete with OAuth login. This server is for developers who want to deploy and connect MCP servers on Cloudflare’s edge network.

How to use Remote MCP Server on Cloudflare?

Clone the repository, install dependencies, and run locally with npx nx dev remote-mcp-server. Then connect the MCP Inspector or Claude Desktop to the SSE endpoint. Deploy to production by creating a KV namespace, updating wrangler.jsonc, and running npm run deploy.

Key features of Remote MCP Server on Cloudflare

• OAuth login built‑in for authentication.
• Local development with hot reload.
• Connect via MCP Inspector for testing.
• Connect Claude Desktop using a local proxy (mcp-remote).
• Deploy to Cloudflare Workers with one command.
• Remote client access over SSE.

Use cases of Remote MCP Server on Cloudflare

• Deploy a custom MCP tool server on Cloudflare’s global network.
• Provide authenticated MCP endpoints to AI assistants like Claude.
• Develop and test MCP servers locally before publishing.
• Enable remote AI agents to call your tools securely.

FAQ from Remote MCP Server on Cloudflare

What are the runtime dependencies?

Node.js, npm, Cloudflare Workers account, and a KV namespace for OAuth data.

How do I connect Claude Desktop to the server?

Configure Claude’s JSON settings to use npx mcp-remote with the SSE URL (e.g., http://localhost:8787/sse or your deployed workers.dev URL).

How do I deploy my own instance?

Run npx wrangler kv namespace create OAUTH_KV, paste the namespace ID into wrangler.jsonc, then run npm run deploy.

Where does authentication data live?

OAuth tokens are stored in the Cloudflare KV namespace you created (OAUTH_KV).

What transport protocol does the server use?

It uses Server‑Sent Events (SSE) at the /sse endpoint.