{"type":"firestarter.listing","listing":{"id":"lst_-XumtckY","product_name":"Glowing Gray Diamond Ring","category":"Rings","description":"This lovely ring features a glowing, oval gray diamond set on a delicate 1mm hammered band and accented with trios of tiny, sparkling white diamonds. Perfect as an engagement ring.\nDiamond measures approximately 6mm by 8mm. Shown in 18k yellow gold, this ring is available in white gold or platinum and with other stone variations, upon request. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/25-10-20_019.jpg?v=1761674809","https://cdn.shopify.com/s/files/1/1479/9532/files/25-10-20_016.jpg?v=1761673977","https://cdn.shopify.com/s/files/1/1479/9532/files/25-10-20_018.jpg?v=1761674829"],"price":4125,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:26.190Z"},"share_url":"https://firestarter.network/l/lst_-XumtckY","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_-XumtckY' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Glowing Gray Diamond Ring' and a budget_max comfortably above $4125.00 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."]}}