{"type":"firestarter.listing","listing":{"id":"lst_nZDDsuxw","product_name":"GoFit - Extreme go roller with ultra fin core (13-inch)","category":"Foam Roller","description":"\n\nUltraFin Core: Withstand intense sessions and prevent core flexing to improve circulation in back and quads.\n\n≈5.5 in core diameter: Deliver stable, deeper pressure to target lats and glutes during massage.\n\nHolds up to 50% more weight: Ensure support for quads, hamstrings, and glutes during heavy rolling.\n\nFirmer, denser rolling: Target knots in IT band and hamstrings to improve deep tissue recovery after training.\n\nExterior foam channels: Deliver circulation to upper back and glutes to improve recovery after rolling.\n\nExtreme 13 in Go Roller + Manual: Provide guided moves to train core, strengthen legs, and support recovery.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-EFR13_UF_PO2.jpg?v=1780587068","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-EFR13_UF_PU1.jpg?v=1780587069","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-EFR13-BLK_UF_PO1.jpg?v=1780587069","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-EFR13-BLK_UF_PU1.jpg?v=1780587069","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-EFR13_UF_PO4.jpg?v=1780587068","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-EFR13_UF_PU3.jpg?v=1780587068"],"price":49.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:04.268Z"},"share_url":"https://firestarter.network/l/lst_nZDDsuxw","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_nZDDsuxw' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy GoFit - Extreme go roller with ultra fin core (13-inch)' and a budget_max comfortably above $49.50 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."]}}