{"type":"firestarter.listing","listing":{"id":"lst_YWqxGTYb","product_name":"Serena Tennis Necklace","category":"Necklaces","description":"Adorn your neck with this stunning 24k gold-filled Tennis necklace. Delicate and minimalist, its classic look is sure to make a statement. \n\nMaterial: 24k gold-filled, cubic zirconia\nLength: 16 inches + 2 inches extender\nWidth: 1.7mm\nClosure: Lobster Clasp\nLead &amp; Nickel Free\nTarnish Resistant\n","images":["https://cdn.shopify.com/s/files/1/0248/5334/8403/files/Serena-Tennis-Necklace-Necklaces-173.png?v=1779156284","https://cdn.shopify.com/s/files/1/0248/5334/8403/files/Serena-Tennis-Necklace-Necklaces-241.png?v=1779156286"],"price":44,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:33.881Z"},"share_url":"https://firestarter.network/l/lst_YWqxGTYb","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_YWqxGTYb' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Serena Tennis Necklace' and a budget_max comfortably above $44.00 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."]}}