{"type":"firestarter.listing","listing":{"id":"lst_MPkxbwkW","product_name":"0.81ct Emerald Lab Grown Diamond (Colour Fancy Pink, Clarity VS1, IGI Certified)","category":"diamond","description":"\n    Type: Lab Grown Diamond\nShape: Emerald\nCarat: 0.81\nColour: Pink\nIntensity: Fancy\nClarity: VS1\nPolish: Very Good\nSymmetry: Very Good\nFluorescence: Faint\nMeasurements: 6.15x4.25x2.98mm\nL/W Ratio: 1.45\nTable: 65%\nDepth: 70.1%\nCertificate: IGI\nCertificate Number: LG691561571\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/0.81ct_Emerald_Lab_Grown_Diamond_Colour_Fancy_Pink_Clarity_VS1_IGI_Certified.webp?v=1780944124"],"price":601,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:29.784Z"},"share_url":"https://firestarter.network/l/lst_MPkxbwkW","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_MPkxbwkW' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 0.81ct Emerald Lab Grown Diamond (Colour Fancy Pink, Clarity VS1, IGI Certified)' and a budget_max comfortably above $601.00 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."]}}