{"type":"firestarter.listing","listing":{"id":"lst_LYo9kq3-","product_name":"3.00ct Marquise Lab Grown Diamond (Colour Fancy Vivid Pink, Clarity VVS2, IGI Certified)","category":"diamond","description":"\n    Type: Lab Grown Diamond\nShape: Marquise\nCarat: 3.00\nColour: Pink\nIntensity: Fancy Vivid\nClarity: VVS2\nPolish: Very Good\nSymmetry: Very Good\nFluorescence: Faint\nMeasurements: 14.49x7.1x4.57mm\nL/W Ratio: 2.04\nTable: 60%\nDepth: 64.4%\nCertificate: IGI\nCertificate Number: LG787666370\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/3.00ct_Marquise_Lab_Grown_Diamond_Colour_Fancy_Vivid_Pink_Clarity_VVS2_IGI_Certified_3e0e1b33-dda6-439e-b64c-24fcc7914f32.webp?v=1781799127"],"price":4640,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:29.497Z"},"share_url":"https://firestarter.network/l/lst_LYo9kq3-","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_LYo9kq3-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 3.00ct Marquise Lab Grown Diamond (Colour Fancy Vivid Pink, Clarity VVS2, IGI Certified)' and a budget_max comfortably above $4640.00 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."]}}