{"type":"firestarter.listing","listing":{"id":"lst_MFKjDhQC","product_name":"XMARK - Chisel Olympic Weight Plates and Curl Barbell Sets","category":"Barbell + Plate Set","description":"\n\n65–115 lb plate range: Provide scalable training and progressive overload for arms from beginner to advanced.\n\n65 lb set - (4) 10 lb, (4) 5 lb, (2) 2.5 lb: Train foundational curls and improve arm work with small weight jumps.\n\n95 lb set - (2) 25 lb, (2) 10 lb, (4) 5 lb, (2) 2.5 lb: Build arm strength and deliver steady progress with versatile plate options.\n\n115 lb set - (2) 25 lb, (4) 10 lb, (4) 5 lb, (2) 2.5 lb: Support heavy curl sessions and deliver progression for advanced arm training.\n\nMultiple curl bar options: Target arms and build strength with the curl bar that supports your training goals.\n\nBarbell collars not included: Keep plates secure during sets and ensure consistent bar control with compatible collars.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/CHISEL-CHISEL-BAL-65.jpg?v=1780592097","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/CHISEL-CHISEL-BAL-95.jpg?v=1780592097","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/CHISEL-CHISEL-BAL-115.jpg?v=1780592097","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/XM-Sets_Chisel-Curl-Weight.jpg?v=1780592097"],"price":259,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:57.354Z"},"share_url":"https://firestarter.network/l/lst_MFKjDhQC","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_MFKjDhQC' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - Chisel Olympic Weight Plates and Curl Barbell Sets' and a budget_max comfortably above $259.00 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."]}}