{"type":"firestarter.listing","listing":{"id":"lst_w3IqXiny","product_name":"Micro Gainz - GymPin (3\" Length)","category":"Micro Plates","description":"\n\n2 inch plate compatibility: Add a plate beside the stack to expand load capacity and train heavier on cable movements.\n\n5/16 inch or 3/8 inch stack pin: Match your machine’s pin size to ensure a precise fit and reliable performance on every cable set.\n\nMachined aluminum body, 3 1/8 inches: Provide a light, robust structure to keep your setup stable during sets and improve performance across demanding sessions.\n\nCase-hardened steel pin: Withstand repeated insertions and heavy use to deliver long-term training support and resist wear in busy gyms.\n\nApprox. 1 lb 1 oz, 7 1/4 inches overall: Move and set up while keeping bulk low on the weight stack and improve handling when training across stations.\n\nMade in Pennsylvania, USA: Ensure quality manufacturing and deliver consistent performance over time to support every training cycle.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-05-19T133824.070.png?v=1780603747","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B0993T1SD9-MG-GymPin-3-8-2-Lifestyle.jpg?v=1780603747","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Micro_Gainz_38_GymPin_Dimen.png?v=1780603747","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B0993T1SD9-MG-GymPin-3-8-3-Specs.jpg?v=1780603747","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B0993T1SD9-MG-GymPin-3-8-4-Patented.jpg?v=1780603747","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B0993T1SD9-MG-GymPin-3-8-5-Details.jpg?v=1780603747","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/B0993T1SD9-MG-GymPin-3-8-6-More.jpg?v=1780603747","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Micro_Gainz_516_GymPin_Dimensions_2.png?v=1780603747"],"price":59.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:01.267Z"},"share_url":"https://firestarter.network/l/lst_w3IqXiny","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_w3IqXiny' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Micro Gainz - GymPin (3\" Length)' and a budget_max comfortably above $59.99 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."]}}