{"type":"firestarter.listing","listing":{"id":"lst_-gQMYHGR","product_name":"1.60ct Emerald Natural Sapphire (Colour Teal, Clarity Slightly Included, Cut Faceted)","category":"gemstone","description":"\n    Type: Natural\nVariety: Sapphire\nShape: Emerald\nCarat: 1.60\nColour: Teal\nClarity: Slightly Included\nCut: Faceted\nTreatment: None\nOrigin: Madagascar\nMeasurements: 7.15x6.11x3.75mm\nCertificate: Uncertified\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/1.60ct_Emerald_Natural_Sapphire_Colour_Teal_Clarity_Slightly_Included_Cut_Faceted.webp?v=1783624731"],"price":1339,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-09T19:29:29.022Z"},"share_url":"https://firestarter.network/l/lst_-gQMYHGR","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_-gQMYHGR' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 1.60ct Emerald Natural Sapphire (Colour Teal, Clarity Slightly Included, Cut Faceted)' and a budget_max comfortably above $1339.00 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."]}}