{"type":"firestarter.listing","listing":{"id":"lst_wvcGMf8X","product_name":"Heavy Performance Set","category":"Jump Rope Set","description":"The Heavy Performance Set is designed to deliver effective, results‑driven jump rope training with durable construction and performance‑focused design.\nKey benefits:\n\nEfficient cardio and strength‑building workouts\nDurable materials built for consistent training\nPortable design for workouts anywhere\n\nIncludes: Heavy Performance Handles, 3/4 LB, 1 1/2 LB and 3 LB heavy jump ropes.\nCompatibility: Works with applicable Crossrope handles, ropes, or accessories based on product type.\nConnectivity: None.\nMembership: Not required.\nBest for: Cardio, strength training, endurance, and efficient full‑body workouts.\nChoose the size based on your height:XXS for up to 4'6\"XS for 4'6.5\" - 5'0.5\"S for 5'1\" - 5'5\"M for 5'5.5\" - 5'10\"L for 5'10.5\" - 6'1\"XL for 6'1.5\"+","images":["https://cdn.shopify.com/s/files/1/0316/7810/3691/files/Heavy_GroupShot_1_0fec1c04-2660-4062-9dff-3dfc0d398afa.jpg?v=1778267674","https://cdn.shopify.com/s/files/1/0316/7810/3691/files/Heavy_GroupShot_1.jpg?v=1778267674","https://cdn.shopify.com/s/files/1/0316/7810/3691/files/HeavyConnectorDetail_2.jpg?v=1778267674","https://cdn.shopify.com/s/files/1/0316/7810/3691/files/HeavyGripDetail_1_d5c31bc0-55c9-4c69-8ecb-29ae05882159.jpg?v=1778267674","https://cdn.shopify.com/s/files/1/0316/7810/3691/files/HeavyGripDetail_2.jpg?v=1778267674","https://cdn.shopify.com/s/files/1/0316/7810/3691/files/HeavySet_OverheadGroupShot.jpg?v=1778267674"],"price":229,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:55.794Z"},"share_url":"https://firestarter.network/l/lst_wvcGMf8X","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_wvcGMf8X' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Heavy Performance Set' and a budget_max comfortably above $229.00 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."]}}