THE EMPEROR HAS NO CLOTHES: HOW TO CODE CLAUDE CODE IN 200 LINES OF CODE

Summary from the TLDR Dev newsletter

AI coding assistants are built on a simple core architecture that can be replicated in about 200 lines of Python. This post presents an agent that is equipped with three fundamental tools - read, list, and edit files - which the LLM learns to invoke via structured commands. The LLM decides which tool to use, executes it, and then processes the results to either continue the task or respond to the user.