{"type":"firestarter.listing","listing":{"id":"lst_fKs_QvCj","product_name":"1.00ct Pear Natural Diamond (Colour I, Clarity SI2, Cut VG, IGI Certified)","category":"diamond","description":"\n    Type: Natural Diamond\nShape: Pear\nCarat: 1.00\nColour: I\nClarity: SI2\nCut: Very Good\nPolish: Excellent\nSymmetry: Excellent\nFluorescence: None\nMeasurements: 8.54x5.44x3.49mm\nL/W Ratio: 1.57\nTable: 61%\nDepth: 64.2%\nCertificate: IGI\nCertificate Number: 743558389\nCertificate PDF: View\n\n  ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/1.00ct_Pear_Natural_Diamond_Colour_I_Clarity_SI2_Cut_VG_IGI_Certified.webp?v=1782664029"],"price":1381,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T11:45:32.817Z"},"share_url":"https://firestarter.network/l/lst_fKs_QvCj","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_fKs_QvCj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 1.00ct Pear Natural Diamond (Colour I, Clarity SI2, Cut VG, IGI Certified)' and a budget_max comfortably above $1381.00 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."]}}