What if your AI tools could talk securely over the web — streaming results in real time, like ChatGPT tools but in your own system? In this video, I’ll show you how I built a secure MCP (Model Context Protocol) SSE server using FastAPI and Python — complete with JWT authentication and a real-time BMI calculator tool. You’ll also see a custom Python client that connects via SSE, authenticates with a client ID and secret, and streams tool data back like magic. Whether you're building AI agents, real-time apps, or just want to understand how tools like ChatGPT work under the hood — this one's for you