{"type":"firestarter.listing","listing":{"id":"lst__Pl9VNHF","product_name":"KNKMiami - ShouldersBack Strap & StretchBand Bundle","category":"Braces & Supports","description":"\n\nTwo tools, one kit: Pairs the ShouldersBack posture strap with the StretchBand Premium (12-loop, Light) for posture support plus flexibility work.\n\nBetter posture: The ShouldersBack Strap trains your muscles to hold correct back placement and proper body alignment.\n\nBuild flexibility: The 12-loop Premium StretchBand adds a light, adaptable stretch for strength and range of motion.\n\nComfortable &amp; adjustable: Breathable, latex-free neoprene strap adjusts to fit a wide range of chest sizes; the band is numbered for repeatable placement.\n\nStudio &amp; travel ready: Both pieces are lightweight and packable for home, studio, work, or travel.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/IMG_9817_1.jpg?v=1780605116","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/M3_d50336de-efde-4e46-8d20-343fe13c2fcf.jpg?v=1780605116","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/K2_1087ed85-e647-4399-a61a-b4607ff46589.jpg?v=1780605116","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/M2_40b7947c-406c-405a-9621-c3bc54fcff39.jpg?v=1780605116","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/K1_6e9da956-5e80-4380-a169-3eba90fed18d.jpg?v=1780605116","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/K3_3b3073ba-c086-46c2-bc21-6bc56d68cc02.jpg?v=1780605116","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/M1_4bdfd410-c97e-4758-ba35-264cfa7544a1.jpg?v=1780605116"],"price":59.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:50.261Z"},"share_url":"https://firestarter.network/l/lst__Pl9VNHF","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__Pl9VNHF' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KNKMiami - ShouldersBack Strap & StretchBand Bundle' and a budget_max comfortably above $59.99 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."]}}