{"type":"firestarter.listing","listing":{"id":"lst_53rtIasx","product_name":"Evergreen Tourmaline Ring","category":"Rings","description":"A deep green tourmaline glows with character, wrapped in warm 18k gold and framed with two sparkling white diamonds. Bezel is set on a softly rounded 3mm 18k gold band.\nStone measures approximately 8mm x 6mm. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/26-02-17_010_1.jpg?v=1771605784","https://cdn.shopify.com/s/files/1/1479/9532/files/26-02-16_010.jpg?v=1771605336","https://cdn.shopify.com/s/files/1/1479/9532/files/26-02-17_009_1.jpg?v=1771605378"],"price":3450,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:25.781Z"},"share_url":"https://firestarter.network/l/lst_53rtIasx","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_53rtIasx' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Evergreen Tourmaline Ring' and a budget_max comfortably above $3450.00 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."]}}