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What Is Input Constraints?

Input Constraints is a panel on the Guard Rails tab meant to validate or reject a tool call's parameters before they reach the upstream API. It's visible and interactive today, but not yet wired to the backend, so constraints you define aren't actually enforced.

Open the Arthur screen that visually supports “What Is Input Constraints?”

Open the Guard Rails tab to show the product area discussed by this wiki page

Bring the Input Constraints area into the viewport for a focused, semantic screenshot

Learn more: Guard Rails.

Tutorial video