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How to point a human at the Allow button an agent cannot press with Big Arrow on the Screen

An agent draws an arrow and sign at the permission button so the human clicks it.

Authorization notice. Big Arrow on the Screen is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Who it is forA developer whose AI agent stops at a macOS permission prompt and needs the human to click Allow.

The problemThe agent can find the button but should not press it, so it prints 'please click Allow' into a terminal the human may not be watching.

The outcomeThe arrow and sign appear over the correct button in System Settings, the human clicks it, and the arrow removes itself after its time limit.

What you need first

  • A Mac running macOS 14 or later
  • Homebrew to run `brew install franzenzenhofer/tap/bigarrow`
  • Claude Code or Codex if you want the agent skill
  • Accessibility permission for the app that starts bigarrow, only for --element and --app App:title targets

Steps

  1. Install the tool with brew install franzenzenhofer/tap/bigarrow.
  2. Teach your agents the skill with bigarrow install-skill.
  3. Point at the button with bigarrow point --element "Allow" --app "System Settings" --text "Franz, click Allow".
  4. If the command exits with code 4, run bigarrow doctor and grant Accessibility to the app that started bigarrow (for example Terminal or Claude).
  5. Check that the sign sits over the Allow button, then wait for the human to click it.

Prompt for your agent

Use the bigarrow CLI from the repo franzenzenhofer/big-arrow-on-the-screen to point at the button labelled <button label> in the app <app name> with the sign text "<sign text>". Expected output: a JSON result from `bigarrow point ... --json` with an exit code of 0. Verify the exit code is 0, and if it is 4 run `bigarrow doctor` and report which app needs Accessibility.

Caveat. The --element target needs Accessibility permission for the app that starts bigarrow, and drawing alone needs no macOS permission.

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