{"type":"firestarter.listing","listing":{"id":"lst_ePHTFeYM","product_name":"Training Mask - 3.0 Elevation Training Mask","category":"Elevation Training Masks","description":"\n\n6 NXT FORC3 resistance levels: Adjust respiratory load with a dial-controlled airflow system right on the mask -- no removable caps to swap.\n\nDiaphragm Resistance Technology: Loads inspiratory muscles to promote increased lung capacity, stronger breathing, and improved oxygen efficiency over time.\n\nClinically studied: Backed by studies at the Mayo Clinic (Phoenix), University of North Texas, and the International Journal of Environmental Research.\n\nSoft neoprene sleeve: Sits comfortably against the face, reduces skin irritation during prolonged sessions, and supports a secure fit.\n\nAdjustable strap: Customizes fit so the mask stays in place during running, cycling, strength training, and HIIT workouts.\n\nThree sizes by body weight: S 100-149 lb, M 150-249 lb, L 250+ lb. Backed by a 30-Day No Questions Asked Guarantee.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/900px-TM3_Website_Product_Renders_04_0007copy.jpg?v=1780589603","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/a_16.jpg?v=1780589603","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/900px-TM3_Website_Product_Renders_04_0005.png?v=1780589603","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/TM3_Website_Product_Renders_04_0008.png?v=1780589603"],"price":49.99,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-07-03T16:00:56.589Z"},"share_url":"https://firestarter.network/l/lst_ePHTFeYM","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_ePHTFeYM' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Training Mask - 3.0 Elevation Training Mask' and a budget_max comfortably above $49.99 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."]}}