{"type":"firestarter.listing","listing":{"id":"lst_N3uNiQfy","product_name":"GoFit - Go Roller with Ultrafin Core (13-inch)","category":"Massage Tools","description":"\n\nUltraFin Core: Withstand up to 50% more load and ensure stable, no-flex rolls for back, glutes, and legs\n\n13 in length, 6 in diameter: Set up pre or post workouts and target calves, IT band, quads, and hamstrings\n\nFirmer, denser rolling: Provide faster fascia and lactic acid breakdown to improve hip and back mobility\n\nMulti-zone molded foam: Deliver focused pressure to calves and lats and improve circulation for quicker recovery\n\nIncludes Massage Roller Training Manual: Provide guided routines to target core, hips, quads, and calves\n\nPatented design: Ensure long-term support and resist core flex while you train back, hips, calves, and quads\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-FR13-ORNG_UF_PO1.jpg?v=1780587065","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-FR13-ORNG_UF_PU1.jpg?v=1780587065","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-FR13-ORNG_UF_PU2.jpg?v=1780587064","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-FR13-ORNG_UF_PO2.jpg?v=1780587064"],"price":34.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:04.214Z"},"share_url":"https://firestarter.network/l/lst_N3uNiQfy","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_N3uNiQfy' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy GoFit - Go Roller with Ultrafin Core (13-inch)' and a budget_max comfortably above $34.99 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."]}}