{"type":"firestarter.listing","listing":{"id":"lst_IP198TPo","product_name":"Cerveceria Polar 1950 Authentic Wool Ballcap","category":"Hats_Wool","description":"\nAUTHENTIC REPLICA OF THE 1950 CUBAN POLAR BEAR MASCOT\n\n\nHistory:   In addition to the four-team Cuban League, the island nation also had a lively amateur baseball scene. Many of the top teams were sponsored by companies. This club was named after the popular Polar brand beer.\nThis authentic navy broadcloth cap features a white felt polar bear emblem, standard visor with green satin underneath, and a vintage haircloth-backed buckram crown.\n","images":["https://cdn.shopify.com/s/files/1/1487/1618/files/CerveceriaPolar1950VintageBallcap1.jpg?v=1742997819","https://cdn.shopify.com/s/files/1/1487/1618/files/CerveceriaPolar1950VintageBallcap2.jpg?v=1742997819","https://cdn.shopify.com/s/files/1/1487/1618/files/CerveceriaPolar1950VintageBallcap3.jpg?v=1742997819","https://cdn.shopify.com/s/files/1/1487/1618/files/Brim-detail-updated_49fe0d25-4593-464c-b3ef-4c0c19dc5628.jpg?v=1745356828"],"price":51,"currency":"USD","in_stock":true,"inventory_qty":99990,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:39.539Z"},"share_url":"https://firestarter.network/l/lst_IP198TPo","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_IP198TPo' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Cerveceria Polar 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."]}}