{"type":"firestarter.listing","listing":{"id":"lst_xdfoPg1w","product_name":"Ruby Ring with Diamonds","category":"Rings","description":"This juicy, rose cut ruby is wrapped in warm 22k gold and accented with a sparkling diamond on either side. Perfect as an alternative engagement ring, it also stacks beautifully with other rings in the collection.\nRuby measures approximately 1/4 inch x 3/8 inch. The 3mm hammered band is 18k gold. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/24-11-11_039_1200.jpg?v=1757375408","https://cdn.shopify.com/s/files/1/1479/9532/files/24-11-18_057.jpg?v=1771265090","https://cdn.shopify.com/s/files/1/1479/9532/files/24-11-11_040_1200.jpg?v=1771265090","https://cdn.shopify.com/s/files/1/1479/9532/files/24-11-18_056.jpg?v=1757375409"],"price":3585,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:27.288Z"},"share_url":"https://firestarter.network/l/lst_xdfoPg1w","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_xdfoPg1w' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Ruby Ring with Diamonds' and a budget_max comfortably above $3585.00 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."]}}