{"type":"firestarter.listing","listing":{"id":"lst_5V51l5zl","product_name":"NYC Varsity T-Shirt","category":"Tees","description":"• 50/50 cotton/poly blend• Screen printed graphic• Woven label on bottom hem• Made in Peru","images":["https://cdn.shopify.com/s/files/1/0920/5284/files/TEON917DarkGreenHeather-01.jpg?v=1758810917","https://cdn.shopify.com/s/files/1/0920/5284/files/TEON917DarkGreenHeather-02.jpg?v=1758810917","https://cdn.shopify.com/s/files/1/0920/5284/files/TEON917DarkGreenHeather-03.jpg?v=1758810917"],"price":20,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:23:59.420Z"},"share_url":"https://firestarter.network/l/lst_5V51l5zl","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_5V51l5zl' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy NYC Varsity T-Shirt' and a budget_max comfortably above $20.00 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."]}}