{"type":"firestarter.listing","listing":{"id":"lst_xlnNaYN9","product_name":"Say Freeze! - Periwinkle Shimmer Nail Polish - 12 Dam Days of Polish Advent 2023","category":"Nail Polish","description":"This polish has a periwinkle base with red/orange/gold/green shifting shimmer. This one was originally from the 12 Dam Days of Polish from 2023.\n\nName: Say Freeze!\n\nColor: Purple\n\nType: Shimmer# Recommended Coats: 2-3Size: 15ml\n \n","images":["https://cdn.shopify.com/s/files/1/1401/4759/files/12_51bb7999-726d-47d4-a1b7-75742b456c61.jpg?v=1704255280","https://cdn.shopify.com/s/files/1/1401/4759/files/19FB69CA-1EB7-455E-9786-D1B416FCA27C.heic?v=1704417394"],"price":14,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:19.973Z"},"share_url":"https://firestarter.network/l/lst_xlnNaYN9","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_xlnNaYN9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Say Freeze! - Periwinkle Shimmer Nail Polish - 12 Dam Days of Polish Advent 2023' and a budget_max comfortably above $14.00 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."]}}