{"type":"firestarter.listing","listing":{"id":"lst_hjG6bj3X","product_name":"3.01ct Oval Natural Diamond (Colour M, Clarity SI2, Cut EX, GIA Certified)","category":"diamond","description":"\n    Type: Natural Diamond\nShape: Oval\nCarat: 3.01\nColour: M\nClarity: SI2\nCut: Excellent\nPolish: Excellent\nSymmetry: Excellent\nFluorescence: Faint\nMeasurements: 11.13x7.94x5.01mm\nL/W Ratio: 1.4\nTable: 61%\nDepth: 63.1%\nCertificate: GIA\nCertificate Number: 3545320526\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/3.01ct_Oval_Natural_Diamond_Colour_M_Clarity_SI2_Cut_EX_GIA_Certified.webp?v=1783428648"],"price":6795,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-07T15:00:25.658Z"},"share_url":"https://firestarter.network/l/lst_hjG6bj3X","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_hjG6bj3X' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 3.01ct Oval Natural Diamond (Colour M, Clarity SI2, Cut EX, GIA Certified)' and a budget_max comfortably above $6795.00 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."]}}