{"type":"firestarter.listing","listing":{"id":"lst_lGFICEWi","product_name":"Northstar Necklace","category":"Necklaces","description":"Inspired by the brightest star in the sky, the Northstar necklace is your personal guide to sparkle and shine—whether you're navigating a busy day or a starlit night. This dainty celestial companion is one of our favorites, and it's about to become one of yours too!\n\nMaterial: 18k Gold-Filled or Rhodium Filled \nLength: 18\" Adjustable Box Chain \nLead &amp; Nickel Free\nTarnish Resistance \n","images":["https://cdn.shopify.com/s/files/1/0248/5334/8403/products/Northstar-Necklace-Necklaces-3.png?v=1700372787","https://cdn.shopify.com/s/files/1/0248/5334/8403/products/Northstar-Necklace-Necklaces-2.png?v=1706572446","https://cdn.shopify.com/s/files/1/0248/5334/8403/files/Northstar-Necklace-Necklaces-3.jpg?v=1747878625"],"price":35,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:36.222Z"},"share_url":"https://firestarter.network/l/lst_lGFICEWi","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_lGFICEWi' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Northstar Necklace' and a budget_max comfortably above $35.00 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."]}}