{"type":"firestarter.listing","listing":{"id":"lst_GKMry8_F","product_name":"Marquise Ruby Ring with Diamond Trios","category":"Rings","description":"This vibrant rose cut ruby is wrapped in 18 gold and accented with a pair of glittering diamond trios. A lovely engagement ring, or delightful addition to your jewelry collection.\nRuby measures approximately 4.5 x 9mm. 1.5mm hammered 18k gold band. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/25-07-27_023_1200.jpg?v=1757713223","https://cdn.shopify.com/s/files/1/1479/9532/files/25-08-22_077.jpg?v=1759765076","https://cdn.shopify.com/s/files/1/1479/9532/files/25-07-27_022_1200.jpg?v=1759765076"],"price":3295,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:26.323Z"},"share_url":"https://firestarter.network/l/lst_GKMry8_F","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_GKMry8_F' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Marquise Ruby Ring with Diamond Trios' and a budget_max comfortably above $3295.00 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."]}}