Remote MCP Server On Cloudflare B9s
This project demonstrates how to set up a remote MCP server on Cloudflare Workers and implement OAuth login. It supports local development and debugging, connection testing via the MCP inspector, integration with the Claude desktop client, and finally deployment to the Cloudflare cloud.
rating : 2 points
downloads : 10
What is the Remote MCP Server?
The Remote MCP Server is a cloud-based implementation of the Model Context Protocol that allows AI assistants like Claude to access and use external tools through a standardized interface. It handles authentication and tool management while running on Cloudflare's edge network.How does it work?
The server acts as a bridge between AI models and external tools. It supports Server-Sent Events (SSE) for real-time communication and includes OAuth for secure authentication. Developers can test tools locally before deploying to Cloudflare.Key Use Cases
1. Extending AI capabilities with custom tools 2. Building secure, authenticated tool integrations 3. Developing and testing MCP tools locally before production deployment 4. Creating cloud-based tool services for AI platformsKey Features
Local DevelopmentFull local development environment with hot-reloading for rapid tool development and testing
OAuth IntegrationBuilt-in OAuth authentication flow for secure tool access
SSE TransportServer-Sent Events protocol for efficient real-time communication
Claude IntegrationPre-configured to work seamlessly with Anthropic's Claude AI
Pros and Cons
Advantages
Edge deployment for low-latency worldwide access
Simple local development workflow
Pre-built authentication system
Compatible with multiple AI platforms
Limitations
Requires Cloudflare account for deployment
Limited to JavaScript/TypeScript tool implementations
SSE protocol may require proxy for some clients
Getting Started
Set Up Development Environment
Clone the repository and install dependencies to begin local development
Run Local Server
Start the local development server for testing
Connect MCP Inspector
Use the MCP inspector to test your server locally
Deploy to Cloudflare
Set up KV namespace and deploy your server to production
Example Implementations
Math Tool IntegrationConnect Claude to a math calculation tool through the MCP server
Remote Tool AccessAccess your deployed tools from any MCP-compatible client
Frequently Asked Questions
Why am I getting authentication errors?
How do I add new tools to the server?
Can I use this with other AI platforms besides Claude?
Additional Resources
MCP Protocol Documentation
Official Model Context Protocol specifications and guides
Cloudflare Workers Docs
Cloudflare Workers platform documentation
GitHub Repository
Source code for the remote MCP server implementation
Anthropic Quickstart
Getting started with MCP and Claude
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