{"type":"firestarter.listing","listing":{"id":"lst_q7GpGeyl","product_name":"2.00ct Marquise Lab Grown Diamond (Colour E, Clarity VVS2, IGI Certified)","category":"diamond","description":"\n    Type: Lab Grown Diamond\nShape: Marquise\nCarat: 2.00\nColour: E\nClarity: VVS2\nPolish: Excellent\nSymmetry: Excellent\nFluorescence: None\nMeasurements: 13.31x6.63x3.95mm\nL/W Ratio: 2.01\nTable: 60%\nDepth: 59.6%\nCertificate: IGI\nCertificate Number: LG799657257\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/2.00ct_Marquise_Lab_Grown_Diamond_Colour_E_Clarity_VVS2_IGI_Certified_3ad6eb2f-658e-409e-9f5f-620580f13ac8.webp?v=1782227391"],"price":1447,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T11:45:32.938Z"},"share_url":"https://firestarter.network/l/lst_q7GpGeyl","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_q7GpGeyl' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 2.00ct Marquise Lab Grown Diamond (Colour E, Clarity VVS2, IGI Certified)' and a budget_max comfortably above $1447.00 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."]}}