{"type":"firestarter.listing","listing":{"id":"lst_5vkMIAu_","product_name":"Flash","category":"Tennis String","description":"Diadem Flash has a round profile shape that offers long lasting play-ability and serious durability.  Flash is the choice of frequent string breakers looking for a round co-poly that is extremely comfortable.  Ideal for hybrid setups as well, pair Flash with Evolution or Impulse!\n\nLength: 40 feet / 12.2m\nColors:  White, Navy\nGauges Available\n\n18 (1.15mm) Best feel\n\n17 (1.20mm)\n16L (1.25mm)\n16 (1.30mm)\n15L (1.35mm) Most durable\n","images":["https://cdn.shopify.com/s/files/1/0253/6210/4402/files/Flash_white_combined_2.jpg?v=1762439861","https://cdn.shopify.com/s/files/1/0253/6210/4402/files/Flash_navy_combined.jpg?v=1747836113"],"price":9.95,"currency":"USD","in_stock":true,"inventory_qty":99990,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.972Z"},"share_url":"https://firestarter.network/l/lst_5vkMIAu_","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_5vkMIAu_' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Flash' and a budget_max comfortably above $9.95 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."]}}