{"type":"firestarter.listing","listing":{"id":"lst_nphWV7jr","product_name":"Diadem Premier White Grass Court Ball - Can","category":"Tennis Ball","description":"Keeping with long standing traditions, Diadem Premier Grass Court ball is available in a white felt. Ideal for faster services such as grass with a stain resistant coating to keep the felt white longer.  \n\nDesigned for grass courts\n3 ball can\n","images":["https://cdn.shopify.com/s/files/1/0253/6210/4402/products/Premier2White.jpg?v=1762442106"],"price":5.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.875Z"},"share_url":"https://firestarter.network/l/lst_nphWV7jr","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_nphWV7jr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Diadem Premier White Grass Court Ball - Can' and a budget_max comfortably above $5.95 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."]}}