{"type":"firestarter.listing","listing":{"id":"lst_c3SeRgVA","product_name":"MCTP - 42mm Double GMT","category":null,"description":"The 42mm Double GMT is built for those who operate across multiple time zones and want maximum capability in a single tool watch. Housed in a distinctive 42mm cushion case, it combines a bidirectional 24 hour ceramic GMT bezel with a second 24 hour scale on the chapter ring, allowing you to track local time plus two additional time zones simultaneously. Blue Super Luminova on the dial and polished, brushed hands provide excellent visibility in low light, while the bold red GMT hand and double domed sapphire crystal complete the watch's purposeful design.\nPowered by the dependable Seiko NH34 automatic GMT movement, the 42mm Double GMT offers 200 meters of water resistance and is built for years of reliable service. Each watch includes both a black rubber strap and an OD green nylon strap, making it equally suited for everyday wear, travel, or extended deployments. Designed for those who need more than a standard GMT, the 42mm Double GMT delivers exceptional versatility without compromising the rugged simplicity of a true tool watch.","images":["https://cdn.shopify.com/s/files/1/2473/8064/files/mctp_GMT_v2.jpg?v=1783702981"],"price":620,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-10T20:44:46.857Z"},"share_url":"https://firestarter.network/l/lst_c3SeRgVA","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_c3SeRgVA' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MCTP - 42mm Double GMT' and a budget_max comfortably above $620.00 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."]}}