{"tools":[{"name":"create_checkout","title":"Create x402 checkout","description":"Issue buyer-facing x402 payment terms for one merchant order: funds settle payer to merchant directly. Costs $0.01 USDC per checkout. First 20 per caller per day are free.","inputSchema":{"type":"object","properties":{"network":{"type":"string","description":"'base', 'solana' or full CAIP-2 id."},"merchantPayTo":{"type":"string","description":"Merchant payout address on that network."},"amountUsd":{"type":["string","number"],"description":"Order total in USD (0.01 to 10000)."},"memo":{"type":"string","description":"Order reference (max 120 chars)."}},"required":["network","merchantPayTo","amountUsd"]},"outputSchema":{"type":"object","properties":{"checkoutId":{"type":"string"},"terms":{"type":"object"},"status":{"type":"string"}}},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}},{"name":"verify_checkout","title":"Verify checkout payment","description":"Verify and settle the buyer payment for a checkout id. Free: pass the buyer paymentSignature, get back paid with the settlement transaction or pending with the reason.","inputSchema":{"type":"object","properties":{"checkoutId":{"type":"string","description":"Checkout id from create_checkout."},"paymentSignature":{"type":"string","description":"Base64 x402 PaymentPayload from the buyer."}},"required":["checkoutId","paymentSignature"]},"outputSchema":{"type":"object","properties":{"status":{"type":"string"},"transaction":{"type":["string","null"]}}},"annotations":{"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}}]}