{"type":"firestarter.listing","listing":{"id":"lst_Gk2uMSa0","product_name":"Serious Steel Fitness - Lacrosse Ball","category":"Lacrosse Ball","description":"\n  \n2.5 inches diameter: Target back, shoulders, hips, glutes, and feet knots to provide deep tissue relief for training.\n  \nHigh-density rubber: Deliver consistent pressure and withstand rigorous use to support daily self-myofascial release work.\n  \nCompact, portable design: Keep recovery on track; store in gym bags or luggage to move targeted relief wherever you train.\n  \nVibrant red color: Improve visibility to keep the ball in sight in your gym bag or during workouts to set up recovery fast.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Massage-Balls-SSF_Sept-2020_On-White-1500x1500.jpg?v=1780586306","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Massage-Balls-SSF_Chest-1-1500x1500.jpg?v=1780586309","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Massage-Balls-SSF_Sept-2020_Jacob-Foot-1500x1500.jpg?v=1780586307","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/LACROSSEBALL-01.jpg?v=1780586310","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MassageBall_EBC-07.jpg?v=1780586307"],"price":9.9,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:04.505Z"},"share_url":"https://firestarter.network/l/lst_Gk2uMSa0","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_Gk2uMSa0' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Serious Steel Fitness - Lacrosse Ball' and a budget_max comfortably above $9.90 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."]}}