{"type":"firestarter.listing","listing":{"id":"lst_XLfVsGzE","product_name":"Dyneema WhisperSak by Alpine Gremlins","category":"Stuff Sacks & Ditty Bags","description":" \nShips in 1-2 business days | Based in Norwich, VT | Est. 2023\nLighter and more durable than plastic bags or nylon sacks\nHave you ever thought “I wish my sack was lighter?\" If yes, then boy, do we have the solution for you: introducing the WhisperSak™ from Alpine Gremlins. This lightweight, highly water-resistant stuff sack is perfect for storing your gear in the backcountry. These drawstring stuff sacks will change the way you store things on your next adventure. Choose from three sizes to find the perfect fit.\n_______________________________________________\nSpecs\nVolume:\n\n\nSmall: 0.5L\n\nMedium: 2L\n\nLarge: 4L\n\nWeight:\n\n\nSmall: 0.03oz | 1g\n\nMedium: 0.07oz | 2g\n\n\nLarge: 0.14oz | 4g\n\n\nDimensions: (Flat)\n\n\nSmall: 8\"L x 4.75\"W | 20cm x 12cm\n\nMedium: 10.75\"L x 7\"W | 27cm x 18cm\n\nLarge: 13.25\"L x 10.5\"W | 34cm x 27cm\n\nMaterials: 0.51oz Dyneema® Composite Fabric\nMade in the U.S.A.\n","images":["https://cdn.shopify.com/s/files/1/0537/1177/files/Dyneema_WhisperSak_2.0_by_Alpine_Gremlins.jpg?v=1753116863","https://cdn.shopify.com/s/files/1/0537/1177/files/DyneemaWhisperSak_byAlpineGremlins_66cae82d-3cd6-4ab2-9b4e-47c01b06a370.png?v=1753116863","https://cdn.shopify.com/s/files/1/0537/1177/files/DyneemaWhisperSak_byAlpineGremlins_3.png?v=1753116863","https://cdn.shopify.com/s/files/1/0537/1177/files/DyneemaWhisperSak_byAlpineGremlins_4.png?v=1753116863","https://cdn.shopify.com/s/files/1/0537/1177/files/DyneemaWhisperSak_byAlpineGremlins_5.png?v=1753116863","https://cdn.shopify.com/s/files/1/0537/1177/files/DyneemaWhisperSak_byAlpineGremlins_6.png?v=1753116863","https://cdn.shopify.com/s/files/1/0537/1177/files/DyneemaWhisperSak_byAlpineGremlins_7.png?v=1753116863","https://cdn.shopify.com/s/files/1/0537/1177/files/DyneemaWhisperSak_byAlpineGremlins_8.png?v=1753116863"],"price":24.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:44.352Z"},"share_url":"https://firestarter.network/l/lst_XLfVsGzE","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 ","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_XLfVsGzE' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Dyneema WhisperSak by Alpine Gremlins' and a budget_max comfortably above $24.99 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."]}}