{"type":"firestarter.listing","listing":{"id":"lst_sO6d689r","product_name":"Body Helix - Knee Helix","category":"Knee Brace","description":"\n\n20–30 mmHg compression: Support the patellar tendon to target jumper’s knee pain and improve running comfort.\n\nNo material behind knee: Provide unimpeded flexion and resist cutting-in during runs for stable knee movement.\n\n3 mm closed-cell core: Keep odor and bacteria out and provide warmth to the patellar tendon and knee joint.\n\nHigh-stretch fabric layers: Deliver a skin-locking fit to keep the brace in place while you train or run.\n\nStrap-free slip-on design: Provide low-bulk patellar tendon support and keep the brace comfortable during long runs.\n\nMachine wash and dry: Keep care simple and ensure fast turnaround for daily patellar tendon and runner’s knee support.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Knee-Helix-Small-Black.jpg?v=1780586037","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SizingChartKneeHelix.png?v=1780586042","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Knee-Helix-Small-Blue.jpg?v=1780586042","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/knee-yoga.webp?v=1780586038"],"price":41,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:04.850Z"},"share_url":"https://firestarter.network/l/lst_sO6d689r","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_sO6d689r' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Body Helix - Knee Helix' and a budget_max comfortably above $41.00 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."]}}