{"type":"firestarter.listing","listing":{"id":"lst_mr1eXnL6","product_name":"Weight It Out - Adjustable 1-inch Standard Dumbbell Handle Pair (Stainless Steel)","category":"Dumbbell Handles","description":"\n\nAdjustable dumbbell handle pair: Transform standard 1-inch weight plates into a full set of adjustable dumbbells with two screws per handle.\n\nAmerican stainless steel construction: Heavy-gauge stainless steel resists chipping, peeling, and rust through years of training.\n\n5.25-inch length, 1.25-inch diameter: Medium-depth diamond knurling for a secure, non-slip grip during heavy lifts.\n\nRated for 400 lb+ per dumbbell: Capacity supports any standard plate loadout. Each handle weighs 1 lb.\n\nAvailable with or without 4.5-inch bolts: 4.5-inch bolts support up to 120 lb per dumbbell using thin cast iron plates -- choose other lengths separately for heavier configurations.\n\nStandard 1-inch / 25 mm plate fit: Compatible with standard cast iron, steel, and other 1-inch center-hole plates -- not compatible with Olympic 2-inch plates without an adapter.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MIC8298-2.png?v=1780582445","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/FBBAFE19-9A23-44A3-B126-60E4207E7C99.jpg?v=1780582445","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MIC8323.png?v=1780582445","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MIC8291-2.png?v=1780582444","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MIC8312-2.png?v=1780582444","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/F4C5EBCB-8184-4A3C-B13F-E9C012F14CC9.jpg?v=1780582444","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MIC8308-2.png?v=1780582444","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MIC8299.png?v=1780582444","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/70FF48A6-611C-4555-9E2A-F019686FC469.jpg?v=1780582444"],"price":72.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-07-03T16:00:56.825Z"},"share_url":"https://firestarter.network/l/lst_mr1eXnL6","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_mr1eXnL6' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Weight It Out - Adjustable 1-inch Standard Dumbbell Handle Pair (Stainless Steel)' and a budget_max comfortably above $72.99 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."]}}