{"type":"firestarter.listing","listing":{"id":"lst_8UStRNP9","product_name":"VIBERG 1940 NAVVY BOOT - CHESTNUT JANUS CALF SUEDE","category":"Footwear","description":"\nChestnut Janus Calf Suede – Charle F. Stead & Co. (UK)\n1940 Last\n\nLeather Sole\n\n360º Scallop Welt\n\nAntique Stained Midsole\nPartially Structured Toe\n5 Blind Eyelets & 4 Speedhooks\nAntique Brass Hardware\nSet-In Matching Tongue\nMade in Canada\n\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.\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.\nThe 1940 last is a new shape in the Viberg line.  The fit is comparable to the 2030 last with a slightly flatter medial/interior side with less taper and less of an almond shape.  This results in a fit that is more comfortable, especially for the big toe which has more room to splay, while still retaining a dressy/streamlined look.","images":["https://cdn.shopify.com/s/files/1/0482/8569/files/Boots0606.jpg?v=1744240680","https://cdn.shopify.com/s/files/1/0482/8569/files/Boots0614.jpg?v=1744240683","https://cdn.shopify.com/s/files/1/0482/8569/files/Boots0609.jpg?v=1744240683","https://cdn.shopify.com/s/files/1/0482/8569/files/Boots0611.jpg?v=1744240683","https://cdn.shopify.com/s/files/1/0482/8569/files/Boots0610.jpg?v=1744240683","https://cdn.shopify.com/s/files/1/0482/8569/files/Boots0612.jpg?v=1744240682","https://cdn.shopify.com/s/files/1/0482/8569/files/Boots0613.jpg?v=1744240682"],"price":1240,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:12.502Z"},"share_url":"https://firestarter.network/l/lst_8UStRNP9","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 ","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_8UStRNP9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy VIBERG 1940 NAVVY BOOT - CHESTNUT JANUS CALF SUEDE' and a budget_max comfortably above $1240.00 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."]}}