{"type":"firestarter.listing","listing":{"id":"lst_ge5j848E","product_name":"Fat Bar - Single D Handle","category":"Cable Attachment","description":"Isolate your arms, chest &amp; more! The Fat Bar Single D Handle is excellent for curls, shoulder raises and chest flies, while building gorilla-like grip.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.Compatible with any cable machine using a carabiner, the fat handle rotates freely 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/SD-FAT-Carousel-1_907b8b49-4dac-4011-af05-41e0d12f4492.jpg?v=1764592229","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/SD-FAT-Carousel-4_eaecaf86-038e-4376-a8bf-ae871c97a8ed.jpg?v=1764592229","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/SD-FAT-Carousel-5_66c760d0-acf7-42ca-8f61-3c66b8926959.jpg?v=1764592229","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/SD-FAT-Carousel-6_3eb2e33d-d4a7-4339-bf4b-4d283f2cc6fe.jpg?v=1764592229","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/SD-FAT-Carousel-3_dfbfb39f-1467-4dc4-bf6a-5f90bad41fd1.jpg?v=1764592229","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/SD-FAT-Carousel-2_2a839531-e076-4b0b-ba52-ca9c03e6b959.jpg?v=1764592229"],"price":39.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:45.992Z"},"share_url":"https://firestarter.network/l/lst_ge5j848E","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_ge5j848E' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Fat Bar - Single D Handle' and a budget_max comfortably above $39.99 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."]}}