{"type":"firestarter.listing","listing":{"id":"lst_EFo_bDSf","product_name":"Green Tourmaline Ring","category":"Rings","description":"A lovely, rose cut tourmaline in a deep, gorgeous shade of green is wrapped in warm 22k gold, and accented with a pair of sparkling diamonds.\nSetting measures approximately 5/8 inch x 3/8  inch. Sterling silver back and 4mm hammered sterling band. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/25-07-01_036_1200.jpg?v=1754592867","https://cdn.shopify.com/s/files/1/1479/9532/files/25-06-19_014.jpg?v=1759787537","https://cdn.shopify.com/s/files/1/1479/9532/files/25-07-01_037_1200.jpg?v=1759787537"],"price":1485,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:27.008Z"},"share_url":"https://firestarter.network/l/lst_EFo_bDSf","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_EFo_bDSf' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Green Tourmaline Ring' and a budget_max comfortably above $1485.00 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."]}}