🚀 Build an MCP Server from Scratch with FastAPI & WebSockets + Client AI agent with text-to-sql 😎✨

In this epic tutorial, we’ll guide you through every step of creating a 🔥 Model Context Protocol (MCP) server using FastAPI, WebSockets, Pydantic, and async/await in Python. Whether you’re building intelligent agents, real-time apps, or just geeking out on custom protocols, this video has everything you need! 🤖💬 Resources & Code: 🔗 GitHub Repo: https://github.com/samugit83/TheGradientPath/tree/master/MCPFromScratch What You’ll Learn: 🎯 MCP Fundamentals: Discover why a custom Model Context Protocol is the secret sauce for AI-driven clients, and how it standardizes communication between your Python agent and server. 🗂️ Project Structure Deep Dive: Explore the MCPFromScratch repo layout—separating server 📦 vs. client 🤖 logic—and learn why modular tools, prompts, and resources keep your code clean and extensible. ⚡ FastAPI Setup & Lifespan Management: Use an asynccontextmanager to manage your application’s lifespan: automatically connect to SQLite and initialize your in-memory key-store on startup, and cleanly tear down on shutdown. Dual-Mode Operation: Your server will handle both HTTP REST requests (for health checks, tool/prompt listing & HTTP-based calls) and a real-time WebSocket /mcp endpoint—giving you the flexibility to choose the communication style that fits your use case. 🛠️ Registering Server Capabilities: Tools: Define callable functions (e.g., math ops, text-to-SQL converters). Prompts: Create LLM templates (summaries, translations). Resources: Expose URI-style data endpoints (user profiles, configs). Invocation Endpoints: Execute these capabilities via RESTful HTTP or over the WebSocket channel. 🛡️ Security & Quotas: API-Key Authentication: All HTTP endpoints and every WebSocket connection validate X-API-Key headers to ensure only authorized clients connect. Request Quota Management: Track and enforce per-key usage limits with your in-memory key store to prevent abuse and ensure fair access. 📐 Protocol with Pydantic: Build rock-