{"domain":"x402.clashofcoins.com","count":2,"changes":[{"captured_at":"2026-09-29T12:26:28","card_hash":"88f46a699f2e6b0d6e971bd37bf34c79d94a6069e03b1d93c05991074fad6509","previous_card_hash":"251afe49dd194740acebc4a49d1196e4aa463c5081a1412d3422077b5eaebf29","diff":{"skills_added":[{"id":"lookup_player_by_verified_payer","name":"Look up player by verified payer","description":"Pay $0.02 and resolve the verified payment sender to a Clash of Coins player.","tags":["shop","payer","lookup"],"inputModes":["application/json"],"outputModes":["application/json"]}],"skills_removed":[],"skills_changed":[{"id":"discover_shop_offers","fields":["description"]}],"fields_changed":[],"other_changed":true,"is_empty":false,"human_summary":"added 1 skill · updated 1 skill"}},{"captured_at":"2026-05-20T23:59:03","card_hash":"251afe49dd194740acebc4a49d1196e4aa463c5081a1412d3422077b5eaebf29","previous_card_hash":null,"diff":{"skills_added":[{"id":"buy_sale_via_x402","name":"Buy sale via x402","description":"Complete canonical x402 settlement and trigger relayer-service mint delivery.","tags":["x402","purchase","relayer"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"buy_shop_item_via_x402","name":"Buy shop item via x402","description":"Complete canonical x402 settlement and deliver the selected in-game item.","tags":["shop","x402","purchase"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"discover_sales","name":"Discover active sales","description":"List currently active allowlisted saleIds, prices, metadata, and payment hints.","tags":["x402","catalog","eip155:8453"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"discover_shop_offers","name":"Discover shop offers","description":"List the active shop catalog. Anonymous listing is allowed; personalized offers require exactly one nickname or address.","tags":["shop","catalog","recipient"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"poll_purchase_status","name":"Poll purchase status","description":"Track purchase confirmation by paymentTx until mint delivery is confirmed.","tags":["status","delivery","mint"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"poll_shop_purchase_status","name":"Poll shop purchase status","description":"Track payment and backend delivery by payment reference, purchase id, or wallet+item.","tags":["shop","status","delivery"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"quote_sale","name":"Quote sale","description":"Return the exact USDC amount and payment requirement for a chosen saleId and quantity.","tags":["x402","quote","USDC"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"quote_shop_purchase","name":"Quote shop purchase","description":"Validate one recipient plus one item selection and return the exact payable amount before buy.","tags":["shop","quote","recipient"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"route_commerce_checkout","name":"Route commerce checkout","description":"Choose the correct Clash of Coins surface: sale for NFT lots, shop for in-game items, then follow the matching protocol flow.","tags":["commerce","routing","sale","shop"],"inputModes":["application/json"],"outputModes":["application/json"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"Clash of Coins"},{"field":"description","before":null,"after":"Agentic checkout for Clash of Coins"},{"field":"version","before":null,"after":"1.0.0"},{"field":"protocolVersion","before":null,"after":"0.2.6"},{"field":"url","before":null,"after":"https://x402.clashofcoins.com"},{"field":"documentationUrl","before":null,"after":"https://x402.clashofcoins.com/openapi.json"},{"field":"preferredTransport","before":null,"after":"https"},{"field":"supportedInterfaces","before":null,"after":["rest","mcp","a2a","web"]},{"field":"securitySchemes","before":null,"after":{"x402PaymentSignature":{"type":"apiKey","in":"header","name":"PAYMENT-SIGNATURE","description":"Paid retries must keep the JSON body unchanged and send a canonical PAYMENT-SIGNATURE built from the latest PAYMENT-REQUIRED challenge, including its resource and one accepted payment requirement."}}},{"field":"security","before":null,"after":[{"x402PaymentSignature":[]}]},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":true,"agentWalletFunding":true,"agentWalletX402Funding":true,"agentWalletMppFunding":false,"agentWalletAutoExecuteOnFunding":true,"agentWalletPurchaseProtocols":{"sale":["x402"],"shop":["x402"]}}},{"field":"provider","before":null,"after":{"organization":"Clash of Coins","url":"https://x402.clashofcoins.com"}}],"other_changed":true,"is_empty":false,"human_summary":"added 9 skills · name ∅ → Clash of Coins · description ∅ → Agentic checkout for Clash of Coins · version ∅ → 1.0.0 · protocolVersion ∅ → 0.2.6 · url ∅ → https://x402.clashofcoins.com · documentationUrl ∅ → https://x402.clashofcoins.com/openapi.js · preferredTransport ∅ → https · supportedInterfaces ∅ → ['rest', 'mcp', 'a2a', 'web'] · securitySchemes ∅ → x402PaymentSignature · security ∅ → x402PaymentSignature · capabilities ∅ → agentWalletAutoExecuteOnFunding, agentWa · provider ∅ → Clash of Coins"}}]}