{"type":"firestarter.listing","listing":{"id":"lst_9N62pigJ","product_name":"Cushion Cut Diamond Engagement Ring","category":"Rings","description":"Elegant and timeless cushion cut diamond solitaire engagement ring.\nPictured with 3.00 carat center stone.\nPrices are based on H color, SI1 clarity diamonds.\n","images":["https://cdn.shopify.com/s/files/1/1442/5650/products/BFWR142-1.jpg?v=1663794752","https://cdn.shopify.com/s/files/1/1442/5650/products/BFWR142.jpg?v=1663794752","https://cdn.shopify.com/s/files/1/1442/5650/products/BFWR142-2_7901903f-e889-495b-ae8f-0086943c0c2a.jpg?v=1663794752","https://cdn.shopify.com/s/files/1/1442/5650/products/RINGS0153.jpg?v=1663794752","https://cdn.shopify.com/s/files/1/1442/5650/products/BFWR142-4.jpg?v=1663794752"],"price":15000,"currency":"USD","in_stock":true,"inventory_qty":539946,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:30.070Z"},"share_url":"https://firestarter.network/l/lst_9N62pigJ","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_9N62pigJ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Cushion Cut Diamond Engagement Ring' and a budget_max comfortably above $15000.00 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."]}}