{"type":"firestarter.listing","listing":{"id":"lst_Y0BHNj48","product_name":"Onyx Ring","category":"Rings","description":"The Black Onyx is said to be a powerful protection stone. Whether you're out for the night or having a weekend in, you'll want this dainty gold cabochon gem ring with you everywhere you go. Wear this beauty as a midi ring, thumb ring, or pair it with our other gemstone rings for a stacked style.\nNeed help deciding between Platinum and White Gold? Check out our blog!","images":["https://cdn.shopify.com/s/files/1/2065/2103/files/yellow-gold-onyx-gemstone-ring-1.jpg?v=1765203405","https://cdn.shopify.com/s/files/1/2065/2103/files/14k-solid-gold-onyx-ring_3.jpg?v=1765203405","https://cdn.shopify.com/s/files/1/2065/2103/files/bezel-set-onyx-ring-gold_1.jpg?v=1765203405","https://cdn.shopify.com/s/files/1/2065/2103/files/onyx-gemstone-ring-14k-gold.jpg?v=1765203405","https://cdn.shopify.com/s/files/1/2065/2103/files/14k-gold-black-onyx-ring_1.jpg?v=1765203405","https://cdn.shopify.com/s/files/1/2065/2103/files/white-gold-onyx-gemstone-ring.jpg?v=1770087644","https://cdn.shopify.com/s/files/1/2065/2103/files/champagne-gold-onyx-gemstone-ring.jpg?v=1770087644","https://cdn.shopify.com/s/files/1/2065/2103/files/rose-gold-onyx-gemstone-ring.jpg?v=1770087644","https://cdn.shopify.com/s/files/1/2065/2103/files/950-platinum-onyx-gemstone-ring.jpg?v=1770087068"],"price":420,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:43.995Z"},"share_url":"https://firestarter.network/l/lst_Y0BHNj48","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_Y0BHNj48' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Onyx Ring' and a budget_max comfortably above $420.00 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."]}}