{"type":"firestarter.listing","listing":{"id":"lst_8zoAsnfG","product_name":"Perform Better - Urethane Dumbbell Pairs","category":"Urethane Dumbbells","description":"\n\nUrethane outer coating: More resistant to cracking, yellowing, and delamination than rubber — maintains appearance and structural integrity under sustained daily use.\n\nRound-end head shape: Smooth, consistent profile makes these appropriate for studio environments, cable areas, and mixed-use floors where hex edges create clearance issues.\n\nKnurled steel handle: Firm grip surface without aggressive bite — suitable for high-rep sets without the hand damage that competition-spec knurling causes over time.\n\nOdor-free construction: Urethane formulation eliminates the chemical rubber smell common to lower-grade coated dumbbells — relevant in smaller or enclosed training spaces.\n\nSold per pair: Allows incremental rack-filling without committing to a full set — buy the weights currently in use and add more as training loads increase.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/4056_1_20-_20pair.jpg?v=1780582286"],"price":75.95,"currency":"USD","in_stock":true,"inventory_qty":189981,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:51.583Z"},"share_url":"https://firestarter.network/l/lst_8zoAsnfG","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_8zoAsnfG' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Perform Better - Urethane Dumbbell Pairs' and a budget_max comfortably above $75.95 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."]}}