{"type":"firestarter.listing","listing":{"id":"lst_w0_4P0ed","product_name":"BECCA SHIRT","category":"Top","description":" The Becca shirt features a preppy style with short sleeves for a casual yet polished look. Crafted from our breathable Belgium linen.\n\nNo metal hardware\n100% GOTS certified organic linen\nOur model is a standard size 8 and 175cm and is wearing a size ’S’\nHand wash only recommended\n\n","images":["https://cdn.shopify.com/s/files/1/2972/9896/files/3copy.png?v=1710519257","https://cdn.shopify.com/s/files/1/2972/9896/files/1.png?v=1710519257"],"price":86.4,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:14.417Z"},"share_url":"https://firestarter.network/l/lst_w0_4P0ed","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_w0_4P0ed' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy BECCA SHIRT' and a budget_max comfortably above $86.40 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."]}}