{"type":"firestarter.listing","listing":{"id":"lst_RLVIX86M","product_name":"Training Mask - Vent (Fitness Filtration Mask)","category":"Filtration Masks","description":"\n\n6 dial-adjustable resistance levels: Combine respiratory conditioning with air filtration -- adjust load up or down via a dial on the mask without removing it.\n\n>95% multi-layer filtration: Filters airborne particles, allergens, dust, and pollutants -- works for fitness in smog, dust, or polluted conditions.\n\nDisassembles for filter swap: Replaceable filter cartridges keep performance consistent across heavy use cycles.\n\nAdjustable strap + ergonomic fit: Sealed contact across face shapes; secure during workouts, commutes, and crowded environments.\n\nTwo-in-one use case: Athletes get resistance training; commuters and city dwellers get particulate protection. One mask covers both.\n\nThree sizes by body weight: S 100-149 lb, M 150-249 lb, L 250+ lb. 30-Day No Questions Asked Guarantee.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/training-mask-vent-filtration-md-composite-blue-bottle-901.jpg?v=1780589602","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/training-mask-vent-filtration-md-tire-camera-accessory-125.jpg?v=1780589602","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/training-mask-vent-filtration-md-camera-accessory-flash-662.jpg?v=1780589603","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/vent-black-blue-sleeve-md-water-bottle-882_dda7d7ac-84d1-4ed0-b3bd-5bebdee0b607.png?v=1780589603"],"price":29.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T16:00:56.598Z"},"share_url":"https://firestarter.network/l/lst_RLVIX86M","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_RLVIX86M' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Training Mask - Vent (Fitness Filtration Mask)' and a budget_max comfortably above $29.99 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."]}}