{"type":"firestarter.listing","listing":{"id":"lst_xhcr6lKT","product_name":"Training Mask - Over the Head Strap (Adjustable)","category":"Mask Accessories","description":"\n\nAdjustable over-the-head strap: Routes over the crown of the head instead of behind it -- shifts tension distribution away from the back of the skull and off the ears.\n\nRelieves ear pressure: Holds the neoprene mask sleeve up so the body of the mask isn't pulling down against the ears -- helpful for sensitive or larger ears, or extended training sessions.\n\nAdjustable buckle: Dial in the tension that matches your head size and the intensity of the session.\n\nCompatible with 2.0 and 3.0: Drop-in alternative to the standard strap on both Training Mask 2.0 and 3.0 platforms.\n\nEmbroidered with TrainingMask logo: Same build quality as the original strap.\n\nStrap only: This product is the replacement strap by itself -- the mask body, valves, and accessories are not included. 30-Day No Questions Asked Guarantee.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2-0-head-strap-all-black-blue-fashion-accessory-886.png?v=1780589602","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2-0-head-strap-all-black-clock-fashion-accessory-740.jpg?v=1780589603"],"price":7.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T16:00:56.595Z"},"share_url":"https://firestarter.network/l/lst_xhcr6lKT","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_xhcr6lKT' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Training Mask - Over the Head Strap (Adjustable)' and a budget_max comfortably above $7.99 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."]}}