{"type":"firestarter.listing","listing":{"id":"lst_fr1SiWbr","product_name":"PowerBlock - Heavy Adjustable Kettlebell 35-65 LB","category":"Adjustable Kettlebell","description":"\n\nAdjustable Weights: Train with 35, 44, 53, or 62 lb options to build strength and target various muscle groups effectively.\n\nCompact Dimensions: At 8″ L x 5.5″ W x 11.25″ H, it helps store easily and perform full-body workouts in any home gym space.\n\n32.77 mm Handle: Provides a secure, comfortable grip to improve control during dynamic movements and support heavy lifts.\n\nMagnetic Pin: Ensures weights are securely locked, allowing quick, safe changes to keep your workout focused and flowing.\n\n5-Year Warranty: Provides long-term support and ensures durability, allowing you to train with confidence for many years.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/heavy-adjustable-kettlebell-_540-00184-01_main-web.jpg?v=1780589659"],"price":349,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:55.802Z"},"share_url":"https://firestarter.network/l/lst_fr1SiWbr","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_fr1SiWbr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy PowerBlock - Heavy Adjustable Kettlebell 35-65 LB' and a budget_max comfortably above $349.00 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."]}}