🔧 Build an AI Agent Loop in 50 Lines of Python

Every AI agent framework ships thousands of lines of code. The core pattern underneath is a while loop.

LangChain wraps it in AgentExecutor. CrewAI wraps it in Crew.kickoff(). The OpenAI Agents SDK wraps it in Runner.run(). Strip all that away and you get 50 lines of Python that do the same thing: call the model, check if it wants to use a tool,...