{"type":"firestarter.listing","listing":{"id":"lst_38supeUx","product_name":"Tennis Ball Can Tumbler","category":"Accessories","description":"Meet the tumbler built for players who live on and off the court. Designed to look exactly like a classic tennis ball can, this double-wall insulated stainless-steel tumbler keeps your drink cold long after the final point. Durable, easy to carry, and guaranteed to stand out in your gear bag, it’s the perfect companion for practice sessions, tournaments, or everyday use.","images":["https://cdn.shopify.com/s/files/1/0253/6210/4402/files/DDC_8217.jpg?v=1763134096","https://cdn.shopify.com/s/files/1/0253/6210/4402/files/Water_Ball_Can-8196.jpg?v=1763134096","https://cdn.shopify.com/s/files/1/0253/6210/4402/files/Water_Ball_Can-8197.jpg?v=1763134096","https://cdn.shopify.com/s/files/1/0253/6210/4402/files/Water_Ball_Can-8200.jpg?v=1763134096","https://cdn.shopify.com/s/files/1/0253/6210/4402/files/Water_Ball_Can-8206.jpg?v=1763134096","https://cdn.shopify.com/s/files/1/0253/6210/4402/files/Water_Ball_Can-8212.jpg?v=1763134096"],"price":20,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.392Z"},"share_url":"https://firestarter.network/l/lst_38supeUx","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 ","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_38supeUx' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Tennis Ball Can Tumbler' 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."]}}