{"type":"firestarter.listing","listing":{"id":"lst_0T1_sYtK","product_name":"Smooth Green Tourmaline Ring with Diamonds","category":"Rings","description":"A smooth, verdant green tourmaline cabochon is wrapped in warm 22k gold, and accented with a pair of sparkling diamonds.\nSetting measures approximately 3/8 inch x 3/8 inch. Sterling silver back and 2mm hammered sterling band. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/25-06-07_027.jpg?v=1754592402","https://cdn.shopify.com/s/files/1/1479/9532/files/25-05-08_011.jpg?v=1759766073","https://cdn.shopify.com/s/files/1/1479/9532/files/25-06-07_026.jpg?v=1759766073"],"price":815,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:26.425Z"},"share_url":"https://firestarter.network/l/lst_0T1_sYtK","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_0T1_sYtK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Smooth Green Tourmaline Ring with Diamonds' and a budget_max comfortably above $815.00 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."]}}