{"type":"firestarter.listing","listing":{"id":"lst_6HYSAkSd","product_name":"Oval Blue Sapphire Ring with Diamond Band","category":"Rings","description":"A vibrant blue sapphire is enhanced with three diamonds set on either side of the band. 22k gold bezel setting with an 18k gold back and band.\nCenter stone measures 7mm x 9mm. Three 1mm diamonds set into 1.5 mm gold beaded band.","images":["https://cdn.shopify.com/s/files/1/1479/9532/products/f7dd8c6e739d192fee520a6ea8439b6f.jpg?v=1757375495"],"price":2540,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:28.145Z"},"share_url":"https://firestarter.network/l/lst_6HYSAkSd","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_6HYSAkSd' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Oval Blue Sapphire Ring with Diamond Band' and a budget_max comfortably above $2540.00 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."]}}