How it worksFeaturesDocsEarly accessGitHubDashboard

What Is Execution Hooks For?

Execution Hooks is meant to let you attach side effects to a tool call without touching the upstream API itself — injecting a fixed header or query parameter before the call, or logging the outcome after it, phase by phase (before/after) and action by action.

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

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