Build & Deploy a Python AI Agent in 20 Minutes

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A step-by-step guide to building and deploying a Python AI agent using FastAPI, LangChain, LangGraph, and OpenAI. The tutorial covers creating a tool-calling agent with a web interface, setting up API endpoints, and deploying the application to Vercel using their CLI. Includes practical examples of agent tools for reading and writing notes, HTML templating with Jinja2, and proper environment variable management for production deployments.

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