{"type":"firestarter.listing","listing":{"id":"lst_7k79XB_v","product_name":"Fat Bar - Olympic Curl Bar Cable Attachment","category":"Cable Attachment","description":"Improve the definition and strength of your arms &amp; forearms with this 2-in-1 fat bar attachment!Whether you’re into grappling sports, arm wrestling, or just want to build your grip strength, fat bar attachments are a game-changer. Their unique design builds your grip in ways that typical cable attachments can’t match.But, this fat bar attachment also doubles as an EZ curl bar! Load up your Olympic weight plates to work your arms on EZ curls, skull crushers &amp; more, while simultaneously sending your forearms into overdrive.Compatible with any cable machine using a carabiner, and features a rotating connection point to ensure buttery-smooth reps. \nIMPORTANT: Requires a carabiner (not included by default) for use on your cable machine.","images":["https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CURL-FAT2-01.jpg?v=1783163069","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CURL-FAT2-02.jpg?v=1783163069","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CURL-FAT2-03.jpg?v=1783163070","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CURL-FAT2-04.jpg?v=1783163069","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CURL-FAT2-05.jpg?v=1783163070","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CURL-FAT2-06.jpg?v=1783163069","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CURL-FAT2-07.jpg?v=1783163070","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CURL-FAT2-08.jpg?v=1783163069","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CURL-FAT2-09.jpg?v=1783163070"],"price":104.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:45.994Z"},"share_url":"https://firestarter.network/l/lst_7k79XB_v","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_7k79XB_v' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Fat Bar - Olympic Curl Bar Cable Attachment' and a budget_max comfortably above $104.99 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."]}}