{"type":"firestarter.listing","listing":{"id":"lst_ynqvkVNQ","product_name":"XMARK - Blacksmith: 7ft Olympic Barbell","category":"Olympic Barbell","description":"\n\nIdeal Whip for Performance: Deliver responsive rebound for weightlifting, cross-training, and HIIT to train leg and hip power.\n\nDurable Construction: 45# carbon steel construction to withstand daily squats, deadlifts, and presses and build back, legs, and chest.\n\nDual Knurling Specs: IWF and IPF medium knurling provide secure grip on cleans, snatches, and deadlifts to improve control while training back and legs.\n\n1000 lb Weight Capacity: Support progressive squats and pulls to build powerful legs and back through demanding sessions.\n\nPremium Finish: Black manganese phosphate shaft and chrome sleeves resist corrosion and keep the bar durable over time.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACKSMITH-1.jpg?v=1780592088","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blacksmith-olympic_barbell_2.jpg?v=1780592089","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blacksmith-olympic_barbell_3.jpg?v=1780592088","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blacksmith-olympic_barbell.jpg?v=1780592089"],"price":172,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:57.383Z"},"share_url":"https://firestarter.network/l/lst_ynqvkVNQ","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_ynqvkVNQ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - Blacksmith: 7ft Olympic Barbell' and a budget_max comfortably above $172.00 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."]}}