The Shopping Agent That Can't Be Scammed.

1. 1🛡️🏪
   Agent Asks to Buy

   Opens the item's checkout link. No account, no password.

   GET /checkout/42
2. 2🏪🛡️
   Store Replies: "Pay First"

   The middleware answers with the price and the wallet to pay.

   402 · $1,040 0xSeller
3. 3🛡️
   Agent Checks, Then Signs

   Scam checks run here. If they pass, the wallet signs the payment, like signing a check.

   ✓ CRS · Price · Cap
4. 4🛡️🏪
   Agent Asks Again, Payment Attached

   Same link, now with the signed payment.

   GET + X-PAYMENT
5. 5🏪⛓️
   Coinbase Confirms and Moves the Money

   Checks the signature and sends the USDC on the blockchain.

   Verify + Settle on Base
6. 6🏪🛡️
   Order Confirmed

   Store ships to the address the agent sent and returns a receipt.

   200 · Receipt + Tx

We can't claim "can't be scammed" without proof. This loop is the proof.

1. 1🗡️
   An AI Plays the Scammer

   It writes fake listings and fake stores using the five tricks in section 04.

   Attack
2. 2🛒
   Our Agent Goes Shopping

   It runs on ~200 listings, real and fake mixed together, exactly like a real purchase.

   Shop
3. 3📊
   We Grade Every Decision

   We know the right answer for each listing, so we count scams it bought and good deals it skipped.

   Score
4. 4🔧
   Factory Fixes the Weak Spots

   Factory Droid reads the mistakes and updates the agent's rules and prompts.

   Patch
5. 5🔁
   Run It Again

   Each round the catch rate should climb. That chart above is what we show judges.

   R1 R2 R3
6. 6🔒
   The Final Exam

   20% of the scams are hidden from Factory, to prove the fixes work on tricks it never saw.

   Held-Out 20%