{"type":"firestarter.listing","listing":{"id":"lst_iOwFoF1_","product_name":"University of Pennsylvania T-Shirt - Natural","category":"T-Shirts","description":" \nHistory: The most prolific football player in the history of Penn Football was surely \"Concrete Charlie\" Chuck Bednarik. The 3-Time All-American played both offense and defense and was a #1 Draft Choice in the NFL. Bednarick was a 10X First Team All-Pro and is a member fo the College and Pro Football Halls of fame. In addition to his heroics on the football field, Bednarik flew on 30 combat missions over Germany during WWII as a waist gunner. A REAL AMERICAN HERO!","images":["https://cdn.shopify.com/s/files/1/1487/1618/products/21574352_02.jpg?v=1673980823","https://cdn.shopify.com/s/files/1/1487/1618/products/21574352_03.jpg?v=1673980823"],"price":20.4,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:36.177Z"},"share_url":"https://firestarter.network/l/lst_iOwFoF1_","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_iOwFoF1_' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy University of Pennsylvania T-Shirt - Natural' and a budget_max comfortably above $20.40 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."]}}