Why do we import 100MB of frameworks to run a 50-line LLM reasoning loop?

Stop Importing Bloated Frameworks: Build a Python AI Agent from Scratch

You want to build an AI agent.

So you head to the docs of a popular orchestration framework, copy the boilerplate, import 20 modules, and spin up an agent. It works—until it doesn't.

Suddenly, you're looking at a 50-line stack trace originating from a library wrapper. You don't know where the query failed, what the exact prompt was, or why the tool call failed to parse.

Here is the truth: You don't need AutoGen, LangChain, or CrewAI to build a working AI agent.