{"type":"firestarter.listing","listing":{"id":"lst_xKS3iMcQ","product_name":"The Penelope Ring","category":"Rings","description":"Classic and elegant. A comfortable eternity band featuring a row of rose cut white diamonds and multicolored tourmalines.","images":["https://cdn.shopify.com/s/files/1/1442/5650/products/sized_ba64974b-b336-4158-8803-16618862112d.jpg?v=1631307366","https://cdn.shopify.com/s/files/1/1442/5650/products/PenelopeSide__77101.1449168637.1280.1280.jpg?v=1602620550"],"price":5900,"currency":"USD","in_stock":true,"inventory_qty":69993,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:29.366Z"},"share_url":"https://firestarter.network/l/lst_xKS3iMcQ","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_xKS3iMcQ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy The Penelope Ring' and a budget_max comfortably above $5900.00 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."]}}