{"type":"firestarter.listing","listing":{"id":"lst_JiO8ndd2","product_name":"1.00ct Oval Natural Diamond (Colour Fancy Light Greenish Yellow, Clarity SI1, GIA Certified)","category":"diamond","description":"\n    Type: Natural Diamond\nShape: Oval\nCarat: 1.00\nColour: Yellow\nIntensity: Fancy Light\nOvertone: Greenish\nClarity: SI1\nPolish: Very Good\nSymmetry: Very Good\nFluorescence: None\nMeasurements: 6.94x5.09x3.38mm\nL/W Ratio: 1.36\nTable: 60%\nDepth: 66.3%\nCertificate: GIA\nCertificate Number: 2546722229\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/1.00ct_Oval_Natural_Diamond_Colour_Fancy_Light_Greenish_Yellow_Clarity_SI1_GIA_Certified.webp?v=1783412519"],"price":3532,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-07T15:00:25.674Z"},"share_url":"https://firestarter.network/l/lst_JiO8ndd2","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_JiO8ndd2' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 1.00ct Oval Natural Diamond (Colour Fancy Light Greenish Yellow, Clarity SI1, GIA Certified)' and a budget_max comfortably above $3532.00 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."]}}