{"type":"firestarter.listing","listing":{"id":"lst_mrIPjeOx","product_name":"Diadem Stage 3 Red Dot Ball - Can","category":"Tennis Ball","description":"Red felt balls are designed for beginners and young juniors with a felt and ball size that play up to 75% slower than normal tennis balls.  Ideal for a 36’ tennis courts.  Recommended for children 8 and younger.\nAvailable in packs of 3.","images":["https://cdn.shopify.com/s/files/1/0253/6210/4402/products/Stage3.jpg?v=1762442110"],"price":5.49,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.718Z"},"share_url":"https://firestarter.network/l/lst_mrIPjeOx","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_mrIPjeOx' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Diadem Stage 3 Red Dot Ball - Can' and a budget_max comfortably above $5.49 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."]}}