{"type":"firestarter.listing","listing":{"id":"lst_cZV1Wxz7","product_name":"2.38ct Emerald Lab Grown Diamond (Colour D, Clarity VVS1, IGI Certified)","category":"diamond","description":"\n    Type: Lab Grown Diamond\nShape: Emerald\nCarat: 2.38\nColour: D\nClarity: VVS1\nPolish: Excellent\nSymmetry: Excellent\nFluorescence: None\nMeasurements: 9.98x6.06x3.87mm\nL/W Ratio: 1.65\nTable: 65%\nDepth: 63.9%\nCertificate: IGI\nCertificate Number: LG805652101\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/2.38ct_Emerald_Lab_Grown_Diamond_Colour_D_Clarity_VVS1_IGI_Certified.webp?v=1782916490"],"price":1743,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T11:45:32.758Z"},"share_url":"https://firestarter.network/l/lst_cZV1Wxz7","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_cZV1Wxz7' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 2.38ct Emerald Lab Grown Diamond (Colour D, Clarity VVS1, IGI Certified)' and a budget_max comfortably above $1743.00 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."]}}