{"type":"firestarter.listing","listing":{"id":"lst_EnGtZTQZ","product_name":"Additional cost for reward upgrade - $1","category":null,"description":"This is a link for customers to pay an additional product cost as agreed by the customer.This is a no-follow link","images":["https://cdn.shopify.com/s/files/1/0059/0630/1017/products/add-up-cost.png?v=1593836555"],"price":1,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:19.148Z"},"share_url":"https://firestarter.network/l/lst_EnGtZTQZ","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_EnGtZTQZ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Additional cost for reward upgrade - $1' 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."]}}