Your agent's rules, checked against what actually happens.

Type a command. Watch all three gates decide.

What this page does: 1. You type a command → 2. The demo checks it against the house rules → 3. Three gates show what would happen: Decision, Approval, Effect. Yes — click Run check and it runs. Nothing here ever executes your command.
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or type — the gates update as you type, too.

Decision gate

—

What the rules decide.

Approval gate

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Whether anyone is asked first.

Effect gate · simulated

—

What would happen.

House rules being checked

Command prefixes. A rule matches when a command starts with exactly those words, in order.

Your rules run in this browser only. Nothing is saved or sent anywhere.

Run live with Nemotron

Model: nvidia/nemotron-3-super-120b-a12b via Nebius Token Factory. Nemotron proposes tricky commands; the checker decides each one. Proposals are checked, never executed.

Checking today's live budget…

Changing the harness changes the verdicts: the same proposal can be forbidden under one set of rules and unknown under another. That is the whole point — your rules decide what gets caught.