Remote MCP Server on Cloudflare

What is Remote MCP Server on Cloudflare?

A remote MCP server running on Cloudflare Workers with OAuth login, enabling developers to deploy and host MCP tools globally.

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 using npx wrangler kv namespace create OAUTH_KV, then npm run deploy. Connect via MCP Inspector or Claude Desktop using the SSE endpoint (/sse).

Key features of Remote MCP Server on Cloudflare

• Runs on Cloudflare Workers for global deployment
• OAuth login for secure access
• Supports SSE transport for MCP communication
• Works with MCP Inspector for testing
• Integrates with Claude Desktop via mcp-remote proxy
• Simple deploy workflow with Wrangler CLI

Use cases of Remote MCP Server on Cloudflare

• Deploy custom MCP tools to a globally accessible endpoint
• Enable remote MCP clients (e.g., Claude Desktop) to call tools
• Develop and test MCP servers locally before deploying
• Authenticate tool access via OAuth login flow
• Build a math tool or other MCP-based utilities

FAQ from Remote MCP Server on Cloudflare

What is the purpose of this project?

It provides a template to quickly create a remote MCP server on Cloudflare Workers with OAuth login.

How do I deploy the server?

Use npx wrangler kv namespace create OAUTH_KV, add the KV namespace ID to wrangler.jsonc, then run npm run deploy.

How do I connect Claude Desktop to the remote server?

Update Claude’s config file to use the mcp-remote proxy pointing to your worker’s /sse URL (e.g., https://worker-name.account-name.workers.dev/sse).

How do I debug connection issues?

Run npx mcp-remote http://localhost:8787/sse from the command line, or clear cached auth files with rm -rf ~/.mcp-auth.

What transport does the server use?

It uses SSE (Server-Sent Events) via the /sse endpoint.