{"type":"firestarter.listing","listing":{"id":"lst__6KcuROz","product_name":"PowerBlock - Regular Adjustable Kettlebell 18-35 LB","category":"Adjustable Kettlebell","description":"\n\nAdjustable weights (18, 22, 26, 35 lb): Train and strengthen your legs, core, and arms with four weight options, providing versatile workouts.\n\nCompact size (5.75″ L x 4.25″ W x 10″ H): Store this kettlebell easily in small spaces, making it perfect for home gyms.\n\n32.77 mm handle diameter: Ensure a secure and comfortable grip during swings, squats, and presses to improve performance.\n\nSteel selection pin with magnetic lock: Quickly and safely change weights between sets, providing smooth workout transitions.\n\n5 year warranty: Provides long-term support and ensures the durability of your kettlebell, keeping you confident in your purchase.\n\nSold individually: Purchase only the single kettlebell you need to expand your home gym, providing flexibility for your fitness goals.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/light-adjustable-kettlebell-_540-00183-01_main-web.jpg?v=1780589671"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:55.805Z"},"share_url":"https://firestarter.network/l/lst__6KcuROz","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__6KcuROz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy PowerBlock - Regular Adjustable Kettlebell 18-35 LB' and a budget_max comfortably above $199.00 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."]}}