{"type":"firestarter.listing","listing":{"id":"lst_XeYSuHJz","product_name":"Ultralight Titanium Whistle","category":null,"description":" This sleek, high-pitched powerhouse is crafted from top-grade titanium, ensuring it's as tough as your wildest adventures and as light as a feather. Weighing in at a mere fraction of an ounce, it won’t bog down your pack, yet it delivers an ear-piercing blast that cuts through the forest, making it an essential safety tool for hikers, backpackers, and trailblazers.\nAttach it to your shoulder strap and be ready to make some noise when it counts. Whether you're navigating dense trails, signaling for help, or just letting your buddies know it's time to pack up, this whistle ensures you're heard loud and clear.\n*This item is not eligible for return.\n","images":["https://cdn.shopify.com/s/files/1/0004/4652/9572/files/zpacks-titanium-whistle-02.jpg?v=1725392458","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/zpacks-titanium-whistle-01.jpg?v=1725392458","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/zpacks-ultralight-titanium-whistle-03.jpg?v=1721746097"],"price":12.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:39.140Z"},"share_url":"https://firestarter.network/l/lst_XeYSuHJz","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_XeYSuHJz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Ultralight Titanium Whistle' and a budget_max comfortably above $12.95 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."]}}