{"type":"firestarter.listing","listing":{"id":"lst_PVBQn8a-","product_name":"Constellation Band in 18k White Gold","category":"Rings","description":"This classic ring is an 8mm wide, 18k white gold hammered band. Three champagne diamonds are set into the band. Matte finish.\nShown in 18k white gold, this ring is available in yellow gold or platinum, and with other stone variations, upon request.","images":["https://cdn.shopify.com/s/files/1/1479/9532/products/20200814_AnandaKhalsa_054_1200.jpg?v=1757375335","https://cdn.shopify.com/s/files/1/1479/9532/files/24-09-13_012.jpg?v=1757375335"],"price":2850,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:27.982Z"},"share_url":"https://firestarter.network/l/lst_PVBQn8a-","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_PVBQn8a-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Constellation Band in 18k White Gold' and a budget_max comfortably above $2850.00 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."]}}