{"type":"firestarter.listing","listing":{"id":"lst_lgtgSjKK","product_name":"Harvard University 1950 Authentic Wool Ballcap","category":"Hats_Wool","description":"  THE AUTHENTIC 1950 HARVARD CRIMSON BALLCAPHistory: The 1950 Crimson baseball team was captained by WWII veteran \"Lefty\" Caulfield, who led the conference with a .436 batting average and was later inducted into the Harvard Athletics Hall of Fame. Their coach, born-and-raised Bostonian Stuffy McInnis, was a four-time World Series champion in his day, winning one of those ‘chips with Babe Ruth on the 1918 Red Sox squad. \nThis is an authentic reproduction of the original 1950 Harvard University ballcap, hand-sewn from genuine wool baseball cloth and finished with felt lettering. ","images":["https://cdn.shopify.com/s/files/1/1487/1618/files/20250805_EBBETSFIELD2686_b00be466-7906-4435-abfd-38d58abd8683.jpg?v=1755173663","https://cdn.shopify.com/s/files/1/1487/1618/files/87896_MYO_007_02.jpg?v=1755173663","https://cdn.shopify.com/s/files/1/1487/1618/files/87896_MYO_012_07_cd0f5c01-250d-4304-9e3b-c2fc8a4aca79.jpg?v=1755173663","https://cdn.shopify.com/s/files/1/1487/1618/files/20250805_EBBETSFIELD2687.jpg?v=1755173663","https://cdn.shopify.com/s/files/1/1487/1618/files/20250805_EBBETSFIELD2690.jpg?v=1755173663"],"price":51,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:38.849Z"},"share_url":"https://firestarter.network/l/lst_lgtgSjKK","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_lgtgSjKK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Harvard University 1950 Authentic Wool Ballcap' and a budget_max comfortably above $51.00 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."]}}