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WebSockets MCP Math Demo

by dinasaur404

A reference implementation demonstrating the Model Context Protocol (MCP) over WebSockets using Cloudflare Workers and Durable Objects. It showcases a complete MCP client-server architecture with persistent stateful sessions.

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What is WebSockets MCP Math Demo?

This repository provides a reference implementation of the Model Context Protocol (MCP) over WebSockets, demonstrating a complete client-server architecture with persistent stateful sessions using Cloudflare Workers and Durable Objects.

How to use WebSockets MCP Math Demo?

To use this implementation, clone the repository, install dependencies using npm, and deploy the client and server components using Wrangler (Cloudflare Workers CLI). The web interface allows you to connect to the MCP server, run math operations, and view the WebSocket message log. You can also interact with the server programmatically via HTTP or WebSocket using the provided examples.

Key features of WebSockets MCP Math Demo

  • Complete MCP client-server architecture

  • Persistent stateful sessions via Durable Objects

  • Bidirectional real-time communication over WebSockets

  • Tool discovery and invocation

  • Deployment using Cloudflare Workers

Use cases of WebSockets MCP Math Demo

  • High-frequency trading

  • Real-time collaborative environments

  • Interactive agents requiring quick responses

  • Extending the MCP TypeScript SDK with WebSocket support

FAQ from WebSockets MCP Math Demo

How does this implementation handle WebSocket disconnections?

It uses a heartbeat mechanism and automatic reconnection logic.

How does this implementation handle stateless Cloudflare Workers?

Durable Objects are used to maintain connection state.

How are responses matched to requests over WebSockets?

Message ID tracking and correlation are used.

How are connection failures handled?

Structured error responses and reconnection logic are implemented.

What are the advantages of using WebSocket MCP?

Lower latency, bidirectional communication, reduced network overhead, and stateful sessions.