{"type":"firestarter.listing","listing":{"id":"lst_DaXqtOOR","product_name":"Mafra Denim Cotton & Linen Overshirt","category":"Shirts","description":"Description\nAn overshirt inspired by the vineyards of Mafra—a town nestled behind rolling hills along the Portuguese coastline. Made from a unique blend of cotton and linen in a rope-dyed indigo twill that offers structure without sacrificing breathability or durability, it features spacious chest patch pockets for generous storage.\nDetails\n\n60% linen, 40% cotton twill with a single-rinse finish, woven in Japan\nUrea buttons\n\nMade in Portugal\n\n\nCare\nWash on cold and air dry, or dry clean. ","images":["https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mafra_Denim_Cotton___Linen_Overshirt_Indigo_Front.jpg?v=1768255006","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mafra_Denim_Cotton___Linen_Overshirt_Indigo_Back.jpg?v=1768254942","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Mafra_Denim_Cotton___Linen_Overshirt_Indigo_Detail.jpg?v=1768254944","https://cdn.shopify.com/s/files/1/0009/8100/8447/files/Marketing_MediaBrandMediaAssetsPhotography2026Spring_SummerLookbookLuster-12.jpg?v=1773250082"],"price":350,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:23.597Z"},"share_url":"https://firestarter.network/l/lst_DaXqtOOR","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 ","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_DaXqtOOR' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mafra Denim Cotton & Linen Overshirt' and a budget_max comfortably above $350.00 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."]}}