{"type":"firestarter.listing","listing":{"id":"lst_FndUm9Sv","product_name":"1.57ct Emerald Natural Emerald (Colour Green, Clarity Slightly Included, Cut Step)","category":"gemstone","description":"\n    Type: Natural\nVariety: Emerald\nShape: Emerald\nCarat: 1.57\nColour: Green\nClarity: Slightly Included\nCut: Step\nTreatment: Oiling\nOrigin: Colombia\nMeasurements: 7.62x6.41x4.26mm\nCertificate: Uncertified\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/1.57ct_Emerald_Natural_Emerald_Colour_Green_Clarity_Slightly_Included_Cut_Step.webp?v=1782499847"],"price":2647,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T11:45:32.837Z"},"share_url":"https://firestarter.network/l/lst_FndUm9Sv","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_FndUm9Sv' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 1.57ct Emerald Natural Emerald (Colour Green, Clarity Slightly Included, Cut Step)' and a budget_max comfortably above $2647.00 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."]}}