{"type":"firestarter.listing","listing":{"id":"lst_ySTh5EaJ","product_name":"Humidipak Maintain Humidity Control Packs","category":"Accessories","description":"The D'Addario Humidipak is the only maintenance free, two-way humidity control system for guitar.  It automatically maintains the optimal 45-50% relative humidity level within your instrument case, eliminating the guesswork and potential mess related to refilling a humidifier.  Unlike refillable humidifiers, the Humidipak system provides true “two-way” purified humidity control by adding and removing moisture on demand.  No more manual adjustments based on seasonal changes, geographic locations, temperature, or other factors.  The Humidipak Kit comes with 3 Humidipaks and a soft mesh pouch that will not harm your instrument's finish.  Humidipaks last between 2 and 6 months and should always be kept in a sealed environment like a hard-shell case.  Once the Humidipaks become firm, discard and replace using the 3 refills that come in the Humidipak Replacement Pack (PW-HPRP-03).","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-HPK-01_main1_transparent_web.png?v=1773013047","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-HPRP-03_main_transparent_web.png?v=1773013047","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-HPRP-12_main_transparent_web.png?v=1773013048","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-HPRP-24_main_transparent_web_5a273b96-9d7e-4a7f-b349-cab4e6ffe0dd.png?v=1773013048","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_HPK-HEADSTOCK_main_transparent_web_cc84d669-3c7f-4e09-9e23-5a698eddf6d5.png?v=1773013048","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_HPK-SADDLE_main_transparent_web_8480f891-e1b3-4588-a483-a864486a2486.png?v=1773013049","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-HPK-01_detail1_transparent_web_a4a823d4-0319-481a-b8f9-ff54650fdc09.png?v=1773013050","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_HPK-HEADSTOCK_detail1_transparent_web_2cc0eec1-7989-45da-946d-fcd4472a34dc.png?v=1773013050","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_HPK-SADDLE_detail1_transparent_web_4cc4b0b0-7e4c-4bba-8bc6-74bb0e96f091.png?v=1773013050","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-HPK-01_detail2_transparent_web.png?v=1773013051","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-HPK-01_detail3_transparent_web.png?v=1773013051","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_PW-HPK-01_detail4_transparent_web.png?v=1773013051","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_humidipak_EnhancedImage1_transparent_web.png?v=1773013052","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_humidipak_EnhancedImage2_transparent_web.png?v=1773013052","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_humidipak_EnhancedImage3_transparent_web.png?v=1773013053","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/da_humidipak_EnhancedImage4_transparent_web.png?v=1773013053"],"price":25.99,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-07-03T16:31:09.066Z"},"share_url":"https://firestarter.network/l/lst_ySTh5EaJ","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_ySTh5EaJ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Humidipak Maintain Humidity Control Packs' and a budget_max comfortably above $25.99 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."]}}