{"type":"firestarter.listing","listing":{"id":"lst_MSHZ8oHk","product_name":"Utility Arm","category":"Rack Attachment","description":"Need a spot to hang your punching bag but fresh out of basement space? The Utility Arm mounts right onto your power rack or wall stud, transforming it into a full-on combat zone.Or, if you're more of a lover than a fighter, it doubles as moderate barbell, weight plate and/or accessory storage to keep your gym gear within arm's reach (literally).Equipped with 1\" holes &amp; 5/8\" keyholes, the Utility Arm plays nice with Manticore &amp; Hydra rack attachments, making it a true jack-of-all-trades.And if you're worried about space, don't sweat it! Acting as a lighter version of a Batwing, the Utility Arm takes up minimal real estate while maximizing functionality — because we know every square inch in your home gym is sacred.Utility Arm includes:- Utility Arm- Rack-mounting hardware  (5/8\" | 16mm &amp; 1\" | 25.4mm bolts)IMPORTANT: For user &amp; equipment safety, your rack must be bolted down or otherwise secured. If wall-mounting, ensure it’s mounted to the wall studs. For weight plates, storing your heaviest plates closest to the mounting bracket is recommended.","images":["https://cdn.shopify.com/s/files/1/0654/3346/9125/files/bg-hang-ra-carousel-primary_n7a8be.jpg?v=1764590836","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/bg-hang-ra-carousel-scale-1_00q322.jpg?v=1764590836","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/bg-hang-ra-carousel-scale-3_9hktgi.jpg?v=1764590836","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/bg-hang-ra-carousel-scale-2_phsvyz.jpg?v=1764590836","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/bg-hang-ra-carousel-1_c6cte5.jpg?v=1764590836","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/bg-hang-ra-texture-1_dc8tof.jpg?v=1764590836"],"price":129.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:45.538Z"},"share_url":"https://firestarter.network/l/lst_MSHZ8oHk","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_MSHZ8oHk' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Utility Arm' and a budget_max comfortably above $129.99 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."]}}