{"type":"firestarter.listing","listing":{"id":"lst_3s9l59_t","product_name":"0.72ct Heart Natural Diamond (Colour Very Light Pink, Clarity VVS2, GIA Certified)","category":"diamond","description":"\n    Type: Natural Diamond\nShape: Heart\nCarat: 0.72\nColour: Pink\nIntensity: Very Light\nClarity: VVS2\nPolish: Very Good\nSymmetry: Very Good\nFluorescence: None\nMeasurements: 5.35x5.74x3.22mm\nL/W Ratio: 0.93\nTable: 67%\nDepth: 56.1%\nCertificate: GIA\nCertificate Number: 7466475384\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/0.72ct_Heart_Natural_Diamond_Colour_Very_Light_Pink_Clarity_VVS2_GIA_Certified.webp?v=1778144923"],"price":5235,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:30.526Z"},"share_url":"https://firestarter.network/l/lst_3s9l59_t","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_3s9l59_t' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 0.72ct Heart Natural Diamond (Colour Very Light Pink, Clarity VVS2, GIA Certified)' and a budget_max comfortably above $5235.00 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."]}}