{"type":"firestarter.listing","listing":{"id":"lst_tR9pKMTQ","product_name":"Chicago Union Giants NLB 1905 Vintage 8-Panel Ballcap","category":"Ballcaps","description":"History: In 1901 Frank Leland combined the Chicago Giants and the Columbia Giants to form the Chicago Union Giants, They were considered the top team in the West, but lost a playoff challenge to the Algona Brownies in 1903. The team was renamed the Leland Giants in 1905.","images":["https://cdn.shopify.com/s/files/1/1487/1618/files/1000_4b89508b-a3ce-4a45-ad5d-d745949edbfa.jpg?v=1762897072","https://cdn.shopify.com/s/files/1/1487/1618/files/1000_dcd82daa-532f-43e3-9664-f0f260e695b1.jpg?v=1762897077","https://cdn.shopify.com/s/files/1/1487/1618/files/1000_45f0551e-6dc1-4a38-90d3-5b5eda9b01ad.jpg?v=1762897083"],"price":28,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:37.986Z"},"share_url":"https://firestarter.network/l/lst_tR9pKMTQ","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_tR9pKMTQ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Chicago Union Giants NLB 1905 Vintage 8-Panel Ballcap' and a budget_max comfortably above $28.00 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."]}}