{"type":"firestarter.listing","listing":{"id":"lst_1Nqo5A6e","product_name":"2.04ct Marquise Lab Grown Diamond (Colour Fancy Intense Yellow, Clarity VS1, IGI Certified)","category":"diamond","description":"\n    Type: Lab Grown Diamond\nShape: Marquise\nCarat: 2.04\nColour: Yellow\nIntensity: Fancy Intense\nClarity: VS1\nPolish: Excellent\nSymmetry: Excellent\nFluorescence: None\nMeasurements: 11.64x5.68x4.26mm\nL/W Ratio: 2.05\nTable: 55%\nDepth: 75%\nCertificate: IGI\nCertificate Number: LG794675187\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/2.04ct_Marquise_Lab_Grown_Diamond_Colour_Fancy_Intense_Yellow_Clarity_VS1_IGI_Certified.webp?v=1782186356"],"price":2779,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T11:45:32.946Z"},"share_url":"https://firestarter.network/l/lst_1Nqo5A6e","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_1Nqo5A6e' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 2.04ct Marquise Lab Grown Diamond (Colour Fancy Intense Yellow, Clarity VS1, IGI Certified)' and a budget_max comfortably above $2779.00 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."]}}