{"capabilities":{"extendedAgentCard":false,"extensions":[{"description":"Business Storekeeper agent supporting pinned UCP shopping data.","params":{"capabilities":{"dev.ucp.shopping.catalog":[{"version":"2026-01-23"}],"dev.ucp.shopping.checkout":[{"version":"2026-01-23"}],"dev.ucp.shopping.order":[{"version":"2026-01-23"}]}},"required":true,"uri":"https://ucp.dev/2026-01-23/specification/reference"}],"pushNotifications":false,"streaming":false},"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["application/json","text/plain"],"description":"A session-scoped commerce agent for catalog, cart, checkout, order, and policy tasks.","documentationUrl":"https://decentralegends.com/llms.txt","name":"Decentra Legends Storekeeper","provider":{"organization":"Decentra Legends","url":"https://decentralegends.com"},"securitySchemes":{"shoppingSession":{"apiKeySecurityScheme":{"description":"Optional for the first valid send-message request, which returns this opaque guest credential. Required on all later A2A requests.","location":"header","name":"x-shopping-session-token"}}},"skills":[{"description":"Search products with signed and return-policy facts, choose exact variants, manage one cart, prepare checkout, read orders, and request a human handoff. Payment handlers and their binding-specific instrument schemas are advertised in UCP discovery. For the internal staging handler, use its ACP delegated-payment URL, then follow https://decentralegends.com/ucp/schemas/staging-card-a2a-instrument.json and send complete_checkout with credential type PAYMENT_GATEWAY and the returned vt_dl_ token in a UCP payment part. The Visa Acceptance handler instead accepts its advertised standard network-token instrument through the same complete_checkout action. ACP instrument schemas do not apply to A2A. Keep the same shopping-session token and A2A context ID.","examples":["Search for a San Francisco jersey","Show my cart","Add this exact size and color","Complete checkout with a delegated staging-payment token"],"id":"storekeeper-commerce","inputModes":["text/plain","application/json"],"name":"Storekeeper commerce","outputModes":["application/json","text/plain"],"tags":["commerce","catalog","cart","checkout","payment","orders","ucp"]}],"supportedInterfaces":[{"protocolBinding":"HTTP+JSON","protocolVersion":"1.0","url":"https://decentralegends.com/a2a"},{"protocolBinding":"JSONRPC","protocolVersion":"0.3","url":"https://decentralegends.com/a2a/jsonrpc"}],"version":"1.0.0"}