{"type":"firestarter.listing","listing":{"id":"lst__vgAIGVR","product_name":"Marble Cup","category":"COFFEE & TEA","description":"\nMarble Cup from Astier de Villatte.\nA bold departure from Astier's signature white glazed silhouette, this black terracotta saucer is instead finished with a reproduction of a vintage marbled endpaper from celebrated designer John Derian's expansive collection of antique images. \nMeasures 5.25\" D x 0.5\" H\nHandmade in Paris.","images":["https://cdn.shopify.com/s/files/1/1713/4363/files/astier-de-villatte-marble-cup-20656-199597.jpg?v=1744734075","https://cdn.shopify.com/s/files/1/1713/4363/files/astier-de-villatte-marble-cup-20656-612507.png?v=1744734075"],"price":250,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:15.134Z"},"share_url":"https://firestarter.network/l/lst__vgAIGVR","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__vgAIGVR' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Marble Cup' and a budget_max comfortably above $250.00 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."]}}