{"type":"firestarter.listing","listing":{"id":"lst_PMoQKUyQ","product_name":"Spark Battery","category":"Physical","description":"With this optional rechargeable and replaceable battery for Spark LIVE, Spark 2 &amp; Spark EDGE, you can perform anywhere without needing to be tethered to a power outlet. Spark Battery provides between 8 - 12 hours* of playtime on a single charge. Easily swap it in seconds if you need even more play time. ","images":["https://cdn.shopify.com/s/files/1/1094/6716/files/1_39d7f613-3097-4329-a2ba-3a152f164450.jpg?v=1705702780","https://cdn.shopify.com/s/files/1/1094/6716/files/2_43934442-3d39-4b04-8f15-12890a0e9378.jpg?v=1705702781","https://cdn.shopify.com/s/files/1/1094/6716/files/3_1abcc8d1-5f88-434f-a45a-88eda27af855.jpg?v=1705702781","https://cdn.shopify.com/s/files/1/1094/6716/files/4_15ce5c5e-0d92-4e87-9e6f-f6aa58366fba.jpg?v=1705702781"],"price":79,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:00.599Z"},"share_url":"https://firestarter.network/l/lst_PMoQKUyQ","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_PMoQKUyQ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Spark Battery' and a budget_max comfortably above $79.00 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."]}}