{"type":"firestarter.listing","listing":{"id":"lst_18M3BT0L","product_name":"Marquise Emerald Necklace with Diamond Drop","category":"Necklaces","description":"A vibrant rose cut emerald is set in a warm 22k gold bezel, accented with a tiny sparkling diamond suspended below. Backed in 18k gold on a 14k gold‚ chain. \nEmerald measures approximately 3/8 inch tall. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/products/20200814_AnandaKhalsa_078_1200.jpg?v=1754593309","https://cdn.shopify.com/s/files/1/1479/9532/products/20200814_AnandaKhalsa_078_closeup_1200.jpg?v=1754593310"],"price":1320,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:27.643Z"},"share_url":"https://firestarter.network/l/lst_18M3BT0L","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_18M3BT0L' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Marquise Emerald Necklace with Diamond Drop' and a budget_max comfortably above $1320.00 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."]}}