{"type":"firestarter.listing","listing":{"id":"lst_KHD_FYUh","product_name":"Micro Gainz - 3.75 LB Dumbbell Fractional Weight Plates","category":"Fractional Weight Plates","description":"\n\n3.75 LB per plate, stackable to 7.5 LB: Add up to two plates per dumbbell for a 7.5 LB jump in resistance.\n\nClamp-on design fits most dumbbells: Internal spring delivers secure clamping with riveted construction.\n\nStrong sintered steel: 6.25-inch diameter, 0.58-inch thick, with pressed-in logo and weight markings.\n\nPrecision-weighted: Accurate to +/- 20 grams of specified weight.\n\nChoose your color and pack size: Black 2-pack ($99.99), Black 4-pack ($194.99), or Red 2-pack ($99.99).\n\nMade in the USA, patented: 30-day money back guarantee per the vendor.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitleddesign-2026-01-29T111536.576_b0f369e9-7347-42c8-9649-e134bd3286ca.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-01-29T153955.766_c78d4325-02b3-48c7-9d83-d211805b6bbd.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-01-29T155310.247_46ba2de1-fec9-4856-8966-108b14051a82.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitleddesign-2026-01-29T142735.814_13373d4a-04f6-47c0-bd0a-d5c959ce960f.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-01-29T160245.852_906c5caa-e857-4b33-b6e0-04eccc32d794.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitleddesign-2026-01-29T142607.181_20b61e6c-d90f-4d10-b820-9b6b1b12e36b.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-01-29T160421.971_bf87bc06-7264-4791-aa62-f73cffd02d03.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitleddesign-2026-01-29T142407.770_7cc7a01e-5aac-447d-aea9-ca24790b8886.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitled_design_-_2026-01-29T155916.400_acdf6b82-6e9b-4473-8aa5-224984ded565.png?v=1780604992","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitleddesign-2026-01-29T111703.755_f8071ab0-3b69-4ca5-a042-f926ad8943e2.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitleddesign-2026-01-29T143040.583_b7c311ab-60f1-4df1-80cf-6689b8105054.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitleddesign-2026-01-29T142854.819_56ce52ea-793e-4dce-a502-086bededd220.png?v=1780604991","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Untitleddesign-2026-01-29T142700.231_c5da76f5-904d-48bf-a26a-6b7aeaa45d04.png?v=1780604991"],"price":79.99,"currency":"USD","in_stock":true,"inventory_qty":79992,"dynamic_pricing":false,"listed_at":"2026-07-03T16:00:56.876Z"},"share_url":"https://firestarter.network/l/lst_KHD_FYUh","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_KHD_FYUh' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Micro Gainz - 3.75 LB Dumbbell Fractional Weight Plates' and a budget_max comfortably above $79.99 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."]}}