{"type":"firestarter.listing","listing":{"id":"lst_vrklG9Ag","product_name":"2.50ct Emerald Lab Grown Diamond (Colour Fancy Intense Greenish Blue, Clarity SI1, IGI Certified)","category":"diamond","description":"\n    Type: Lab Grown Diamond\nShape: Emerald\nCarat: 2.50\nColour: Blue\nIntensity: Fancy Intense\nOvertone: Greenish\nClarity: SI1\nPolish: Excellent\nSymmetry: Excellent\nFluorescence: None\nMeasurements: 9.85x6.52x3.76mm\nL/W Ratio: 1.51\nTable: 65%\nDepth: 57.7%\nCertificate: IGI\nCertificate Number: LG662445229\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/2.50ct_Emerald_Lab_Grown_Diamond_Colour_Fancy_Intense_Greenish_Blue_Clarity_SI1_IGI_Certified.webp?v=1784056283"],"price":1124,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-14T22:44:55.040Z"},"share_url":"https://firestarter.network/l/lst_vrklG9Ag","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_vrklG9Ag' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 2.50ct Emerald Lab Grown Diamond (Colour Fancy Intense Greenish Blue, Clarity SI1, IGI Certified)' and a budget_max comfortably above $1124.00 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."]}}