Remote MCP Server on Cloudflare

What is Remote MCP Server on Cloudflare?

A remote MCP server that runs on Cloudflare Workers, complete with OAuth login. It enables clients like the MCP Inspector or Claude Desktop to connect to MCP tools over HTTP or 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 using npx wrangler kv namespace create OAUTH_KV and npm run deploy. Connect clients by pointing them to the server’s /sse endpoint.

Key features of Remote MCP Server on Cloudflare

• Runs on Cloudflare Workers with OAuth login
• Supports SSE transport for MCP clients
• Can be developed locally and then deployed
• Works with MCP Inspector and Claude Desktop
• Uses a remote proxy (mcp-remote) for HTTP communication

Use cases of Remote MCP Server on Cloudflare

• Hosting a remote MCP server accessible over the internet
• Integrating MCP tools with Claude Desktop via a Cloudflare worker
• Testing and debugging MCP servers locally before deployment

FAQ from Remote MCP Server on Cloudflare

How do I run the server locally?

Clone the repo, install dependencies, and run npx nx dev remote-mcp-server. Open http://localhost:8787/ in a browser.

How do I connect the MCP Inspector?

Start the inspector with npx @modelcontextprotocol/inspector, switch Transport Type to SSE, enter http://localhost:8787/sse, and click Connect. Use any email/password to log in.

How do I connect Claude Desktop to a local server?

Update Claude’s config file (mcpServers.math) to use npx mcp-remote http://localhost:8787/sse. A browser will open for login.

How do I deploy the server 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.

How do I debug the server?

Restart Claude, or connect directly via npx mcp-remote http://localhost:8787/sse. To clear OAuth state, delete ~/.mcp-auth.