{"type":"firestarter.listing","listing":{"id":"lst_pZdQ2bPz","product_name":"Harvard University 1950 Authentic Wool Ballcap","category":"Hats_Wool","description":"THE ORIGINAL 1950 HARVARD UNIVERSITY BALLCAP\nHistory: The 1950 Harvard squad was Captained by John G. \"Lefty\" Caulfield. Caulfield received the Harvard Medal, honoring his commitment to his alma mater and student-athletes. He is now a member of the Harvard Athletics Hall of Fame.\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/Harvard-University-1950-Vintage-Ballcap1.jpg?v=1741986919","https://cdn.shopify.com/s/files/1/1487/1618/files/87896_MYO_003_07_0fb1e809-7c63-4df0-a56e-060f4ace7e73.jpg?v=1755100117","https://cdn.shopify.com/s/files/1/1487/1618/files/87896_MYO_012_07.jpg?v=1755100117","https://cdn.shopify.com/s/files/1/1487/1618/files/HarvardUniversity1950VintageBallcap2.jpg?v=1755100117","https://cdn.shopify.com/s/files/1/1487/1618/files/Aloha100thInfantry1942VintageBallcap3_c69e93d3-99bd-4ea2-8b20-532f3d631271.jpg?v=1755100117","https://cdn.shopify.com/s/files/1/1487/1618/files/Brim-detail-updated_2fb6b72c-dec5-48b9-92c9-35b3eb0763fa.jpg?v=1755100117"],"price":51,"currency":"USD","in_stock":true,"inventory_qty":99990,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:39.645Z"},"share_url":"https://firestarter.network/l/lst_pZdQ2bPz","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_pZdQ2bPz' — 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."]}}