{"type":"firestarter.listing","listing":{"id":"lst_kERGX4sg","product_name":"Rolling Bumper Plate Stacker","category":"Storage","description":"What You Need To Know About the Rolling Bumper Stacker\nStack your bumper plates up and roll them to where you need 'em with the Fringe Sport rolling bumper plate stacker. This compact sturdy bumper stacker holds up to 800 pounds of plates and comes standard with locking heavy-duty caster wheels. The heavy gauge powder coated steel is built to take abuse, and the smooth ball bearing caster wheels are professional grade for years of trouble-free use.\n\nFull year satisfaction guarantee.\nLocking caster wheels included.\nStores up to 800# of bumpers.\n\nPackage Contents and Specifications\n\n\n\nContents: 1 - Rolling Bumper Plate Stacker\n\nWeight: 35 pounds\n\nWeight Capacity: 800 pounds\n\nHeight: 42.5\" Total - 38\" Storage Space\n\nWidth: 16\" x 16\" base\n\nMaterial: Steel\n\nWarranty: 1 Year\n\n","images":["https://cdn.shopify.com/s/files/1/0049/4272/files/Rolling-Bumper-Stacker-Fringe-Sport-106860788-106860747-106860774.jpg?v=1723463359","https://cdn.shopify.com/s/files/1/0049/4272/files/Rolling-Bumper-Stacker-Fringe-Sport-106860853-106860889-106860856.jpg?v=1723463359","https://cdn.shopify.com/s/files/1/0049/4272/files/Rolling-Bumper-Stacker-Fringe-Sport-106861060.jpg?v=1723463359","https://cdn.shopify.com/s/files/1/0049/4272/files/Rolling-Bumper-Stacker-Fringe-Sport-106861126-106861129.jpg?v=1723463359","https://cdn.shopify.com/s/files/1/0049/4272/files/Rolling-Bumper-Stacker-Fringe-Sport-106861231-106861242.jpg?v=1723463359","https://cdn.shopify.com/s/files/1/0049/4272/files/Rolling-Bumper-Stacker-Fringe-Sport-106861593.jpg?v=1723463359","https://cdn.shopify.com/s/files/1/0049/4272/files/Rolling-Bumper-Stacker-Fringe-Sport-106861427.jpg?v=1723463359"],"price":149,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:45.240Z"},"share_url":"https://firestarter.network/l/lst_kERGX4sg","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_kERGX4sg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Rolling Bumper Plate Stacker' and a budget_max comfortably above $149.00 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."]}}