{"type":"firestarter.listing","listing":{"id":"lst_SXWZ93wO","product_name":"Roc Foldable 4 Post Cage - Prebuilt (3\" x 3\", ⅝\" Holes)","category":"Power Rack","description":"Gym so small it could be featured on an episode of Itty-Bitty Home Gyms? Congrats! This is the folding rack for you.Its 1,000-pound capacity outlasts heavy squats, handles big bench presses and withstands chin-ups with 8 kids hanging onto your waist — just bolt it securely before you go trying for that new chin-up PR.The uprights measure true 3″ x 3″ which is EXACTLY 76.2mm x 76.2mm, instead of the typical 75mm x 75mm uprights of other brands’ imported racks. By matching the same tubing specs as many of our American competitors, you can mix and match attachments freely without needing to stick to one brand — hello, open ecosystem!Built with modular components, so you can expand later into a larger Hydra rack to accommodate a new home gym space or team workouts with your swolemate.2x Pairs of 90\" Uprights4x 30\" Crossmembers1x Adjustable Straight Pull Up Bar  1x Set of Wall Mount Hinge (set of 4)  1x Pair of J-Cups 1x Logo Tag 1x Set of 8\" Folding Rack Wall Connector (Set of 4)Note: Compatible with Safety Staps or Spotter Arms (Not Included)IMPORTANT: The Hydra series of power racks are TRUE 3″ x 3″ tubing with 5/8″ holes, so only Hydra attachments &amp; non-B.o.S. attachments made precisely for 76.2mm x 76.2mm uprights with ⅝” holes will fit.\n","images":["https://cdn.shopify.com/s/files/1/0654/3346/9125/files/hydra_20folding_204_20post_201_7b39428e-0149-48d9-829d-604f1dd719df.jpg?v=1764595164","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/hydra_20folding_204_20post_202_x36xq9.jpg?v=1764595164","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/hydra_20folding_204_20post_203_fxn1w8.jpg?v=1764595164","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/hydra_20folding_204_20post_204_4fhxul.jpg?v=1764595164"],"price":1169.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:45.962Z"},"share_url":"https://firestarter.network/l/lst_SXWZ93wO","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_SXWZ93wO' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Roc Foldable 4 Post Cage - Prebuilt (3\" x 3\", ⅝\" Holes)' and a budget_max comfortably above $1169.99 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."]}}