{"type":"firestarter.listing","listing":{"id":"lst_d64OnUHM","product_name":"VIBERG 1940 N1 BOOT - MARINE FIELD SHOE NATURAL ROUGHOUT","category":"Footwear","description":" \n\nHorween Leather Company (USA) – Marine Field Shoe Natural Roughout\n1940 Last\nLeather Sole\n\n\n\nDr. Sole #1280 Steady-Foot Heel\n\n270 Degree Goodyear Welt Construction\nNatural Midsole Stain\nUnstructured Toe\n8 Eyelets\nBrown Hardware\nPartially Gusseted Smooth-out Matching Tongue\n\nMade in Canada\n\nSizing\nViberg sizing is similar to UK sizing. We recommend 1 size smaller than your size as measured on a Brannock device. However, some people with wide feet (E/EE width) will be more comfortable in 0.5 size smaller than their Brannock measured size.  Viberg's 1940 last is very similar to the 2030 last with a slightly more anatomical shape.\nIf you do not know your Brannock size, we recommend 1 size smaller than your most common sneaker size, 0.5 smaller than your Red Wing Iron Ranger size, or 0.5 smaller than your Alden Barrie last size.","images":["https://cdn.shopify.com/s/files/1/0482/8569/files/FreenoteProduct20241274.jpg?v=1748994351","https://cdn.shopify.com/s/files/1/0482/8569/files/FreenoteProduct202412751.jpg?v=1748994351","https://cdn.shopify.com/s/files/1/0482/8569/files/FreenoteProduct202412761.jpg?v=1748994351","https://cdn.shopify.com/s/files/1/0482/8569/files/FreenoteProduct202412772.jpg?v=1748994351","https://cdn.shopify.com/s/files/1/0482/8569/files/FreenoteProduct202412781.jpg?v=1748994351","https://cdn.shopify.com/s/files/1/0482/8569/files/FreenoteProduct20241282.jpg?v=1748994351","https://cdn.shopify.com/s/files/1/0482/8569/files/FreenoteProduct20241283.jpg?v=1748994351","https://cdn.shopify.com/s/files/1/0482/8569/files/FreenoteProduct202412842.jpg?v=1748994351"],"price":1070,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:12.460Z"},"share_url":"https://firestarter.network/l/lst_d64OnUHM","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_d64OnUHM' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy VIBERG 1940 N1 BOOT - MARINE FIELD SHOE NATURAL ROUGHOUT' and a budget_max comfortably above $1070.00 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."]}}