{"type":"firestarter.listing","listing":{"id":"lst_9RI4CSId","product_name":"Casters for Hydra Upright (Set of 4)","category":"Rack Component","description":"Casters are wheels with brackets that make moving objects easier. Bolt them to your Hydra storage units for easier (though, not effortless) moving and without having to unload everything or disassemble them.\nIMPORTANT: Requires two 24mm wrenches to install (not included by default). Correctly sized box-end, adjustable &amp; socket wrenches are suitable alternatives.\n","images":["https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CAST-UPR-HDR-carousel-1.jpg?v=1764592291","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CAST-UPR-HDR-carousel-5.jpg?v=1764592291","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CAST-UPR-HDR-carousel-2.jpg?v=1764592291","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CAST-UPR-HDR-carousel-3.jpg?v=1764592291","https://cdn.shopify.com/s/files/1/0654/3346/9125/files/CAST-UPR-HDR-carousel-4.jpg?v=1764592291"],"price":75.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:45.775Z"},"share_url":"https://firestarter.network/l/lst_9RI4CSId","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_9RI4CSId' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Casters for Hydra Upright (Set of 4)' and a budget_max comfortably above $75.99 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."]}}