{"type":"firestarter.listing","listing":{"id":"lst_pwPWydKK","product_name":"Custom Payment","category":"Custom Payment","description":"\nIf you have made special arrangements, please enter the number of US dollars you wish to send us in the quantity box above. Please follow up your order by emailing us a reminder description of what you have paid for.\nA shipping fee may be automatically added to your order. If you are paying for something that does not require shipping or if you are adding to an existing order, don't worry, we will automatically refund the shipping fee. DO NOT subtract the shipping amount out of your payment.","images":["https://cdn.shopify.com/s/files/1/0004/4652/9572/products/zpacks-custom-payment-icon_b325e918-a533-4f2c-a707-a7f48a6a4bf0.png?v=1553198561"],"price":1,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:40.099Z"},"share_url":"https://firestarter.network/l/lst_pwPWydKK","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_pwPWydKK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Custom Payment' and a budget_max comfortably above $1.00 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."]}}