{"type":"firestarter.listing","listing":{"id":"lst__pLKrnVZ","product_name":"John Lofgren Fieldmaster Boot - Horween SHF Horsehide Havana","category":"Footwear","description":"\nHorween Leather Company (USA) – Havana Single Horsefront (\"SHF\") Leather\n220 Last\nVibram 700 Cork Sole & 7335 Cork Heel\nGoodyear Welted Construction\nUSA Made Flat Welts\nMatching Brown Hardware\nBrown Stained Midsole\nJapanese Made Steel Shanks\n7” Shaft Height\n1.25\" Stacked heel\nD Width\nMade in Japan\n\n Sizing\n\nJohn Lofgren’s 220 Last runs large.  We recommend 0.5 size smaller than your size as measured on a Brannock device.\nIf you do not know your Brannock size, we recommend 0.5 size smaller than your most common sneaker size, the same size as your Red Wing Iron Ranger size, the same size as your Alden Barrie last size, or 0.5 size bigger than your Viberg 2030 last size.\nFor additional sizing help contact william@freenotecloth.com","images":["https://cdn.shopify.com/s/files/1/0482/8569/files/TopsSS263025.jpg?v=1752706968","https://cdn.shopify.com/s/files/1/0482/8569/files/TopsSS263026.jpg?v=1752706968","https://cdn.shopify.com/s/files/1/0482/8569/files/TopsSS263028.jpg?v=1752706968","https://cdn.shopify.com/s/files/1/0482/8569/files/TopsSS263029.jpg?v=1752706968","https://cdn.shopify.com/s/files/1/0482/8569/files/TopsSS263030.jpg?v=1752706968","https://cdn.shopify.com/s/files/1/0482/8569/files/TopsSS263031.jpg?v=1752706968","https://cdn.shopify.com/s/files/1/0482/8569/files/TopsSS263032.jpg?v=1752706968"],"price":1155,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:12.409Z"},"share_url":"https://firestarter.network/l/lst__pLKrnVZ","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__pLKrnVZ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy John Lofgren Fieldmaster Boot - Horween SHF Horsehide Havana' and a budget_max comfortably above $1155.00 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."]}}