diff --git a/AGENTS.md b/AGENTS.md
index 51fa6e4527..d25d2eed96 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -29,7 +29,7 @@ The codebase is split into:
 
 ## Language Style
 
-- **Python**: Keep type hints on functions and attributes, and implement relevant special methods (e.g., `__repr__`, `__str__`).
+- **Python**: Keep type hints on functions and attributes, and implement relevant special methods (e.g., `__repr__`, `__str__`). Prefer `TypedDict` over `dict` or `Mapping` for type safety and better code documentation.
 - **TypeScript**: Use the strict config, rely on ESLint (`pnpm lint:fix` preferred) plus `pnpm type-check:tsgo`, and avoid `any` types.
 
 ## General Practices