{"type":"firestarter.listing","listing":{"id":"lst_e_DtiLBj","product_name":"Universal Joints - 3/8 in. Drive","category":"Universal Joints","description":"When that nut or bolt is hard to reach or at an awkward angle, reach for Powerbuilt universal joints. Attach it to your ratchet and socket then make quick work of tightening or loosening that bothersome bolt. \nAnd don’t think these u-joints are the weakest link. Built using strong chrome vanadium steel, these stylish universal joints can do the job and look good doing it. Precision fit to securely hold sockets and eliminate slop.\nDependable Powerbuilt universal joints meet or exceed ANSI standards and have a lifetime warranty, all at affordable prices.\n\nConstructed of mirror-polished chrome vanadium steel\nPrecision built to meet or exceed ANSI standards\nAffordable quality\nStrong and dependable to last a lifetime\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0443/2681/3852/products/640503_641507_642506-01.jpg?v=1635637404","https://cdn.shopify.com/s/files/1/0443/2681/3852/products/641507-02.jpg?v=1635637404","https://cdn.shopify.com/s/files/1/0443/2681/3852/products/640858-03_8a531aec-3c4b-46f1-92f1-1da93922f5b7.jpg?v=1635637405","https://cdn.shopify.com/s/files/1/0443/2681/3852/products/640858-04_7ec3f27d-8aae-4053-ad99-b8e410bc7151.jpg?v=1635637404"],"price":14.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:27:12.254Z"},"share_url":"https://firestarter.network/l/lst_e_DtiLBj","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_e_DtiLBj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Universal Joints - 3/8 in. Drive' and a budget_max comfortably above $14.95 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."]}}