{"type":"firestarter.listing","listing":{"id":"lst_4jQMyWeX","product_name":"Oval Tanzanite Ring with Diamonds","category":"Rings","description":"A vibrant, rose cut tanzanite stone is wrapped in warm 22k gold and accented with three sparkling white diamonds. Sterling silver back and 4mm smooth sterling band. \nStone measures approximately 3/4\" x 1/2\" inch. Matte finish.\n","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/26-04-22_024.jpg?v=1777663981","https://cdn.shopify.com/s/files/1/1479/9532/files/26-04-22_064.jpg?v=1777663951","https://cdn.shopify.com/s/files/1/1479/9532/files/26-04-22_023.jpg?v=1777913481"],"price":1950,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:25.672Z"},"share_url":"https://firestarter.network/l/lst_4jQMyWeX","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_4jQMyWeX' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Oval Tanzanite Ring with Diamonds' and a budget_max comfortably above $1950.00 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."]}}