{"type":"firestarter.listing","listing":{"id":"lst_COs9OoVn","product_name":"3.39ct Pear Natural Diamond (Colour Fancy Pink, Clarity VS2, GIA Certified)","category":"diamond","description":"\n    Type: Natural Diamond\nShape: Pear\nCarat: 3.39\nColour: Pink\nIntensity: Fancy\nClarity: VS2\nPolish: Excellent\nSymmetry: Very Good\nFluorescence: None\nMeasurements: 13.14x7.52x4.97mm\nL/W Ratio: 1.75\nTable: 54%\nDepth: 66.1%\nCertificate: GIA\nCertificate Number: 2225894721\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/3.39ct_Pear_Natural_Diamond_Colour_Fancy_Pink_Clarity_VS2_GIA_Certified.webp?v=1783689062"],"price":1315355,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-10T20:30:20.027Z"},"share_url":"https://firestarter.network/l/lst_COs9OoVn","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_COs9OoVn' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 3.39ct Pear Natural Diamond (Colour Fancy Pink, Clarity VS2, GIA Certified)' and a budget_max comfortably above $1315355.00 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."]}}