{"type":"firestarter.listing","listing":{"id":"lst_zBjDjmvw","product_name":"PowerBlock - Pro 100 EXP Stage 4","category":"Adjustable Dumbbells","description":"\n100 lb maximum weight: Allows advanced users to train with heavier loads and strengthen major muscle groups for peak performance.\n\nTwo 10 lb additional weights: Provide balanced resistance for bilateral exercises and support progressive overload for strength gains.\n\nRequires Stage 2 and Stage 3 kits: Ensures seamless integration with your existing Pro 100 EXP system to expand your training options.","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/pro-100-exp-stage-4-_504-00186-01_main-web.jpg?v=1780589673"],"price":219,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:03.754Z"},"share_url":"https://firestarter.network/l/lst_zBjDjmvw","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_zBjDjmvw' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy PowerBlock - Pro 100 EXP Stage 4' and a budget_max comfortably above $219.00 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."]}}