Why Schemas Beat Loose Args
Let the model send valid input every time.
Loose Args Are Risky
When a tool takes a plain dict or untyped values, the model can send almost anything, and your code only finds out when it crashes. 😬
A Schema Is a Contract
A schema is a clear contract: it states exactly which fields exist, their types, and which are required before any code runs.
All lessons in this course
- Why Schemas Beat Loose Args
- Model Inputs with Pydantic
- Constraints, Defaults & Enums
- Field Descriptions That Guide the Model