{"type":"firestarter.listing","listing":{"id":"lst_U_pQd_EP","product_name":"2.09ct Pear Natural Sapphire (Colour Purple, Clarity Slightly Included, Cut Faceted)","category":"gemstone","description":"\n    Type: Natural\nVariety: Sapphire\nShape: Pear\nCarat: 2.09\nColour: Purple\nClarity: Slightly Included\nCut: Faceted\nTreatment: Heated\nOrigin: Srilanka\nMeasurements: 9.25x6.99x4.18mm\nCertificate: OTHER\nCertificate Number: LGL2605122156\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/2.09ct_Pear_Natural_Sapphire_Colour_Purple_Clarity_Slightly_Included_Cut_Faceted.jpg?v=1783821476"],"price":1575,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-12T04:30:52.450Z"},"share_url":"https://firestarter.network/l/lst_U_pQd_EP","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_U_pQd_EP' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 2.09ct Pear Natural Sapphire (Colour Purple, Clarity Slightly Included, Cut Faceted)' and a budget_max comfortably above $1575.00 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."]}}