{"type":"firestarter.listing","listing":{"id":"lst_zQKtsDzL","product_name":"Empress Effects Long Sleeve Shirt","category":"Accessories","description":"Black, long sleeved shirt.  The Empress Logo is printed across the chest in grey.  100% cotton.  Available in S, M, L and XL.   \nIMPORTANT: Accessories do not qualify under CUSMA and are subject to a 10%  import tariff for U.S. customers. Learn More","images":["https://cdn.shopify.com/s/files/1/0028/5462/products/long_sleeve_shirt.jpg?v=1498076083"],"price":20,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:16.180Z"},"share_url":"https://firestarter.network/l/lst_zQKtsDzL","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_zQKtsDzL' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Empress Effects Long Sleeve Shirt' and a budget_max comfortably above $20.00 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."]}}