{"type":"firestarter.listing","listing":{"id":"lst_H0yi__7M","product_name":"0.70ct Round Lab Grown Diamond (Colour Fancy Vivid Green, Clarity SI1, Cut GD, IGI Certified)","category":"diamond","description":"\n    Type: Lab Grown Diamond\nShape: Round\nCarat: 0.70\nColour: Green\nIntensity: Fancy Vivid\nClarity: SI1\nCut: Good\nPolish: Good\nSymmetry: Good\nFluorescence: None\nMeasurements: 5.6x5.63x3.54mm\nL/W Ratio: 0.99\nTable: 58%\nDepth: 63%\nCertificate: IGI\nCertificate Number: LG619428631\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/0.70ct_Round_Lab_Grown_Diamond_Colour_Fancy_Vivid_Green_Clarity_SI1_Cut_GD_IGI_Certified.webp?v=1778507532"],"price":450,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:30.440Z"},"share_url":"https://firestarter.network/l/lst_H0yi__7M","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_H0yi__7M' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 0.70ct Round Lab Grown Diamond (Colour Fancy Vivid Green, Clarity SI1, Cut GD, IGI Certified)' and a budget_max comfortably above $450.00 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."]}}