{"type":"firestarter.listing","listing":{"id":"lst_dhrKc8TT","product_name":"BBS LM / AMG AERO-II 18\" to 19\" Conversion Kit | 8.0-inch Barrel","category":"Up-Size Kits","description":"Replacement 8-inch barrel that is sold in our 18\" to 19\" conversion kit","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/products/upsize_68284a76-8107-4972-a54f-df7a0f4fe593.jpg?v=1668199745"],"price":599.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:23.484Z"},"share_url":"https://firestarter.network/l/lst_dhrKc8TT","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_dhrKc8TT' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy BBS LM / AMG AERO-II 18\" to 19\" Conversion Kit | 8.0-inch Barrel' and a budget_max comfortably above $599.99 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."]}}