{"type":"firestarter.listing","listing":{"id":"lst_2XhNHErw","product_name":"0.93ct Pear Natural Alexandrite (Colour Green, Clarity Slightly Included, Cut Faceted)","category":"gemstone","description":"\n    Type: Natural\nVariety: Alexandrite\nShape: Pear\nCarat: 0.93\nColour: Green\nClarity: Slightly Included\nCut: Faceted\nTreatment: None\nOrigin: India\nMeasurements: 8.02x4.91x3.39mm\nCertificate: GSI\nCertificate Number: 74000630107\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/0.93ct_Pear_Natural_Alexandrite_Colour_Green_Clarity_Slightly_Included_Cut_Faceted.webp?v=1780232804"],"price":2173,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:29.967Z"},"share_url":"https://firestarter.network/l/lst_2XhNHErw","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_2XhNHErw' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 0.93ct Pear Natural Alexandrite (Colour Green, Clarity Slightly Included, Cut Faceted)' and a budget_max comfortably above $2173.00 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."]}}