{"type":"firestarter.listing","listing":{"id":"lst_CrtE-902","product_name":"XMARK - 10-Pairs, 5 to 50 lbs. Hex Dumbbells Includes 3-Tier Storage Rack","category":"Rubber Hex Dumbbell","description":"\n\n10 pairs, 5 to 50 lb hex dumbbells: Train arms, shoulders, chest, back, and legs across progressive loads\n\nTotal 550 lb set weight: Provide ample resistance to build strength from warm-ups to heavy sets\n\nRubber-coated hex heads: Resist rolling and protect floors to support safe home or studio sessions\n\nKnurled chrome handles: Improve grip and control to perform presses, rows, curls, and lunges\n\n3-tier storage rack: Store 10 pairs and keep your floor clear to move between sets confidently\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/3107.1-BLACK-2_f9b6c6f8-d9ca-457d-9a62-7ecc1160505a.jpg?v=1780592088","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/3107.1-2_054af6d1-1abb-4e15-90c8-426b0f6ac6db.jpg?v=1780592088","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/3107.1-1-BLACK_67b4cbb9-a3a4-401a-a9c8-027bb964d22f.jpg?v=1780592089","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/3107.1-1.jpg?v=1780592089","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/3301-550S-1-logo.jpg?v=1780592089","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/3301-HEX-with-logo_09cc50a8-c7cf-4a68-a9f7-26c52d8f19b6.jpg?v=1780592090"],"price":1439,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:57.380Z"},"share_url":"https://firestarter.network/l/lst_CrtE-902","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_CrtE-902' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - 10-Pairs, 5 to 50 lbs. Hex Dumbbells Includes 3-Tier Storage Rack' and a budget_max comfortably above $1439.00 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."]}}