{"type":"firestarter.listing","listing":{"id":"lst_PAnBXGtr","product_name":"BC Strength - Hamstring Roller + Track","category":"Hamstring Roller","description":"\n\nHeavy duty steel: Withstand hard training and provide lasting support while you train hamstrings in curls and rollouts.\n\n3.25 inch urethane wheels with ABEC Bearing 23: Deliver smooth travel to perform bilateral, eccentric single leg, and single leg curls that target hamstrings.\n\nV-shaped foot catch: Ensure secure foot placement to target hamstrings during bodyweight curls and support controlled abdominal rollouts.\n\n47 in × 25.25 in × 1 in Track: Provide a custom fit to the Roller and expand options when elevated on a BC Strength Bench to train legs and core.\n\n24.5 in × 10.25 in × 3.25 in Roller: Set up quickly, move between rooms, and store compactly between sessions in home or club gyms.\n\nRoller and included Track: Provide fluid motion and support progressions from bilateral to elevated for a significant hamstring workout.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/RollerTrack-01.png?v=1780586907","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/RollerTrack-04.png?v=1780586907","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/RollerTrack-05.png?v=1780586907","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/RollerTrack-14.png?v=1780586907","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/RollerTrack-16.png?v=1780586907","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/RollerTrack-10.png?v=1780586907"],"price":179,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:04.628Z"},"share_url":"https://firestarter.network/l/lst_PAnBXGtr","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_PAnBXGtr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy BC Strength - Hamstring Roller + Track' and a budget_max comfortably above $179.00 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."]}}