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What Is Execution Hooks?

Execution Hooks is a Harness panel meant to run custom logic before or after a tool call — inject a header, add a query parameter, or log the result. It's visible and interactive today, but not yet wired to the backend, so hooks you define don't actually run.

Open the Arthur screen that visually supports “What Is Execution Hooks?”

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

Bring the Execution Hooks area into the viewport for a focused, semantic screenshot

Learn more: Harness.

Tutorial video