{"type":"firestarter.listing","listing":{"id":"lst_D58R2oyj","product_name":"The Knave of Hearts Perfume Oil","category":null,"description":"THE KNAVE OF HEARTS\n\n‘Herald, read the accusation!’ said the King.\nOn this the White Rabbit blew three blasts on the trumpet, and then unrolled the parchment scroll, and read as follows:–\n‘The Queen of Hearts, she made some tarts,All on a summer day:The Knave of Hearts, he stole those tarts,And took them quite away!’\n\nCrushed roses and blackcurrant tarts.\n\n\n ","images":["https://cdn.shopify.com/s/files/1/0716/7891/8812/files/e9a1005a-knaveofhearts.jpg?v=1765916658"],"price":25,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:16.007Z"},"share_url":"https://firestarter.network/l/lst_D58R2oyj","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_D58R2oyj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy The Knave of Hearts Perfume Oil' and a budget_max comfortably above $25.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}