{"type":"firestarter.listing","listing":{"id":"lst_pnEO-Q4a","product_name":"Green Tourmaline Ring with Diamond Arc","category":"Rings","description":"An organically shaped, rose cut tourmaline sparkling with character is wrapped in warm 22k gold and accented with five glittering diamonds.\nSterling silver back and 5mm smooth sterling band. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/26-05-27_006.jpg?v=1780080207","https://cdn.shopify.com/s/files/1/1479/9532/files/26-05-27_023.jpg?v=1780080105","https://cdn.shopify.com/s/files/1/1479/9532/files/26-05-27_005.jpg?v=1780080101"],"price":2650,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:25.629Z"},"share_url":"https://firestarter.network/l/lst_pnEO-Q4a","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_pnEO-Q4a' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Green Tourmaline Ring with Diamond Arc' and a budget_max comfortably above $2650.00 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."]}}