{"type":"firestarter.listing","listing":{"id":"lst_XdKT07z_","product_name":"BC Strength - Blocks","category":"Rack Attachments","description":"\n\nPairs or 10 Block Package: Set up two 5-block stacks at 10 in for Straddle Lifts, and 10 Blocks provide savings.\n\nHigh Strength ABS construction: Resist wear, tougher than steel or aluminum, and support a 1000 lb/453 kg load.\n\n2.00 in × 15.625 in × 19.25 in: Set up consistent elevation and target depth for Straddle Lifts and Step Ups.\n\nLightly textured top surface: Provide extra grip to keep footing secure while performing Step Ups and Straddle Lifts.\n\nReinforced corners: Improve durability for frequent training, but do not withstand dropped weights during use.\n\nNot for hard or polished floors: Ensure stability by setting up stacks on appropriate surfaces during training.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks12.png?v=1780586378","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks21.png?v=1780586379","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks15.png?v=1780586379","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks10.png?v=1780586379","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks4.png?v=1780586379","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks7.png?v=1780586379","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks9.png?v=1780586379","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks3.png?v=1780586379","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks8.png?v=1780586379","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks1.png?v=1780586379","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blocks6.png?v=1780586380"],"price":99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:04.673Z"},"share_url":"https://firestarter.network/l/lst_XdKT07z_","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_XdKT07z_' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy BC Strength - Blocks' and a budget_max comfortably above $99.00 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."]}}