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3 in-depth free course articles on setup, real workflows, and production patterns — written for builders shipping with AI.
In Part 1 you built the loop. Now give it real tools: web search, code execution, and file writing — plus the error recovery patterns that separate demo agents from production ones. Copy-paste Python, no frameworks.
Most tutorials start with code. This one starts with the right mental model. Learn exactly what an AI agent is (and isn't), how it differs from a chatbot, and the four components every agent needs — with Python examples you can run today.
Your agent forgets everything the moment a session ends. This guide covers the three memory patterns every AI agent builder needs: in-context, external file, and vector database — with Python code for each.