{"type":"firestarter.listing","listing":{"id":"lst_5ktLrS5K","product_name":"Ball Cart Accessories","category":"Accessories","description":"Add additional 150 ball cart bags so with one cart you can switch out training balls with ease. \nThe carry bag is used for the aluminum cart legs. Made with high quality nylon construction.\nReplacement wheels are available with or without the brake.\n","images":["https://cdn.shopify.com/s/files/1/0253/6210/4402/files/Ball_cart_tennis_01.jpg?v=1762443512","https://cdn.shopify.com/s/files/1/0253/6210/4402/files/Ball-Cart_Bag_cda2bdfa-81fb-450f-8378-b4aa04329a72.png?v=1747835957","https://cdn.shopify.com/s/files/1/0253/6210/4402/files/BallCart3_2276075d-bb5f-446d-9072-04fa34c364fc.jpg?v=1747835957"],"price":49.95,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.850Z"},"share_url":"https://firestarter.network/l/lst_5ktLrS5K","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_5ktLrS5K' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Ball Cart Accessories' and a budget_max comfortably above $49.95 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."]}}