{"type":"firestarter.listing","listing":{"id":"lst_8PsPFjDn","product_name":"Varsity Neck Vintage P.E. T-Shirt","category":"Tees","description":"\n100% cotton\n4.5 oz lightweight jersey\nContrast garment-dyed V-neck collar and sleeve cuffs\nScreenprinted graphics\nMade in Peru\n","images":["https://cdn.shopify.com/s/files/1/0920/5284/files/Artboard_1_bc824b3f-646e-4d35-b2ad-e7e4a8fda230.jpg?v=1781192037","https://cdn.shopify.com/s/files/1/0920/5284/files/Artboard_2_04985f99-a26c-4665-a27f-a996b1a5b337.jpg?v=1781192038"],"price":54,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:23:58.790Z"},"share_url":"https://firestarter.network/l/lst_8PsPFjDn","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_8PsPFjDn' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Varsity Neck Vintage P.E. T-Shirt' and a budget_max comfortably above $54.00 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."]}}