{"type":"firestarter.listing","listing":{"id":"lst_HGfd4fsX","product_name":"Square Rose Cut Diamond Ring with Diamond Band","category":"Rings","description":"This lovely ring features a luminous gray rose cut diamond, with hints of white sparkle and clarity throughout the stone. The diamond measures 4mm, and is set in a 22k gold bezel and accented by six tiny white diamonds. \n3mm hammered 18k gold band. Matte finish.\n","images":["https://cdn.shopify.com/s/files/1/1479/9532/products/square_diamond_ring_with_diamond_band.jpg?v=1757375461"],"price":2855,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:27.905Z"},"share_url":"https://firestarter.network/l/lst_HGfd4fsX","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_HGfd4fsX' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Square Rose Cut Diamond Ring with Diamond Band' and a budget_max comfortably above $2855.00 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."]}}