{"type":"firestarter.listing","listing":{"id":"lst_Wt5rJRh0","product_name":"Extra Fee","category":null,"description":"Extra Shipping Fee Link\n\nIf you want to change your shipping method, please add this into your shopping cart. Thanks\n","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/extra-fee-hifigo-606814.jpg?v=1734350523"],"price":1,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:31.776Z"},"share_url":"https://firestarter.network/l/lst_Wt5rJRh0","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_Wt5rJRh0' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Extra Fee' 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."]}}