{"type":"firestarter.listing","listing":{"id":"lst_Y8ITcFeM","product_name":"Whistle Clip","category":"Accessories : Resale Accessories","description":"Stay safe in the backcountry with this ultralight, ultra-tiny whistle clip. This small, low profile whistle is surprisingly loud, and allows you to signal for help when you find yourself in danger on an adventure.\nClip the whistle to your backpack's daisy chain or sternum strap to keep it handy. Or thread a piece of cord through the hole to hang it from a loop.\n*This item is not eligible for return.","images":["https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-Saftey-Whistle-01.jpg?v=1701972876","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-Saftey-Whistle-02.jpg?v=1701972876","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/Zpacks-Emergency-Whistle-03.jpg?v=1701972876"],"price":3.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:39.238Z"},"share_url":"https://firestarter.network/l/lst_Y8ITcFeM","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_Y8ITcFeM' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Whistle Clip' and a budget_max comfortably above $3.95 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."]}}