{"type":"firestarter.listing","listing":{"id":"lst_48Nvocvs","product_name":"GoFit - Guide Ball - Pro Grade Stability Ball","category":"Stability Ball","description":"\n\nPrinted exercises: Train core, back, and glutes while stabilizers improve balance, alignment, and posture.\n\n2000 lb static rating: Ensure pro-grade support to perform core, back, and leg training on a durable ball.\n\nThree sizes, color-coded: Provide 55 cm for 5' to 5'5\", 65 cm for 5'5\" to 6', 75 cm for 6'+ to improve alignment in training.\n\nComplete training kit: Provide DVD, manual, foot pump, plugs, adapter, and tape to set up and train core, back, legs, and shoulders.\n\nNon-phthalate PVC build: Provide safer material; keep clean with mild soap and water, and keep out of direct sunlight.\n\nNot intended as a chair: Ensure safety; inspect for nicks or tears and discontinue use to support safe core training.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-PROBALL_1600x1600_1.jpg?v=1780587068","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-PROBALL_1600x1600_5.jpg?v=1780587069","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-PROBALL_1600x1600_6.jpg?v=1780587068","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-PROBALL_1600x1600_7.jpg?v=1780587068","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-PROBALL_1600x1600_2.jpg?v=1780587068","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-PROBALL_1600x1600_3.jpg?v=1780587069","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/GF-PROBALL_1600x1600_4.jpg?v=1780587068"],"price":32.99,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:04.293Z"},"share_url":"https://firestarter.network/l/lst_48Nvocvs","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_48Nvocvs' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy GoFit - Guide Ball - Pro Grade Stability Ball' and a budget_max comfortably above $32.99 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."]}}