{"type":"firestarter.listing","listing":{"id":"lst_zYxrIsLY","product_name":"XMARK - Viper Dip Handle Attachment","category":"Dip Attachment","description":"\n3” x 3” rack compatibility: Ensure a proper fit on your power rack to perform dips that target triceps and chest.\n\nMagnetic locking pin: Keep the handle secure and stable to deliver steady reps and build triceps, chest, and shoulder strength.\n\nWell-balanced dip station: Provide controlled movement to improve form and strengthen triceps and chest through consistent, smooth dips.\n\nRock-solid design: Resist wobbling under bodyweight to support consistent depth and build pressing power on dips.\n\nNot compatible with XMARK Squat Rack: Ensure correct rack selection to set up training that target triceps and chest.","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/RA-5120.jpg?v=1780592056","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/dip-mitch.jpg?v=1780592056","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/dip-install.jpg?v=1780592055"],"price":149,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:57.445Z"},"share_url":"https://firestarter.network/l/lst_zYxrIsLY","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_zYxrIsLY' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - Viper Dip Handle Attachment' and a budget_max comfortably above $149.00 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."]}}