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Make the AI overspend. Watch it fail.
No wallet, no login, no gas. Press one button and an agent tries to charge more than the mandate allows — the on-chain firewall refuses it, live, in front of you.
Live firewall · no wallet On-chain
A signed demo mandate caps the agent at 0.10 USDC per charge. Press the button and the agent attempts 0.50 USDC — 5× over the cap — against the real SpendPolicy contract on Arbitrum.
This calls the real contract on Arbitrum with a payer-signed demo mandate. The over-cap charge reverts in simulation, so nothing moves and no gas is spent — the same firewall that bounds the live agent. See exactly what’s real on /trust.