# Streamlined tool and hook APIs; deprecated fields removed

> We removed deprecated fields across tools/hooks and API parameters to simplify the surface area and reduce ambiguity. This change keeps the platform focused and easier to maintain at scale.

- Published: 2026-01-19
- Author: Agno Team
- Category: Changelog
- Canonical: https://agno-com-nine.vercel.app/articles/streamlined-tool-and-hook-apis-deprecated-fields-removed
- Markdown: https://agno-com-nine.vercel.app/articles/streamlined-tool-and-hook-apis-deprecated-fields-removed.md

We removed deprecated fields across tools/hooks and API parameters to simplify the surface area and reduce ambiguity. This change keeps the platform focused and easier to maintain at scale.

Details:

- Some integrations may require minor updates to align with the current API
- Review custom tools and hooks to replace deprecated parameters

Who this is for: Teams with custom tools or hooks who need a stable, predictable API surface.