{"type":"firestarter.listing","listing":{"id":"lst_bxgcIu1v","product_name":"Shape Cotton Vest - Black","category":"Vest","description":"The 100% cotton version of our winter Sabine Vest, the Shape Cotton Vest has arrived. You don’t need us to tell you how “in” vests are right now. Bring that cute chunky-knit energy into the warmer seasons without breaking into an elaborate sweat. Sweater season is a state of mind, and we’re always here for it.","images":["https://cdn.shopify.com/s/files/1/2467/1075/files/DSCF4268.jpg?v=1738867231","https://cdn.shopify.com/s/files/1/2467/1075/files/DSCF4255.jpg?v=1738867231","https://cdn.shopify.com/s/files/1/2467/1075/files/IMG_4630.heic?v=1738867231","https://cdn.shopify.com/s/files/1/2467/1075/files/IMG_4631.heic?v=1738867231"],"price":185,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:21.343Z"},"share_url":"https://firestarter.network/l/lst_bxgcIu1v","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_bxgcIu1v' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Shape Cotton Vest - Black' and a budget_max comfortably above $185.00 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."]}}