{"type":"firestarter.listing","listing":{"id":"lst_Z2YrgD7e","product_name":"MTA NYCTA Collage T-Shirt","category":"Tees","description":"• 100% cotton• 6.0 oz, midweight carded jersey• Screen printed graphic• Made in Peru• Officially Licensed by the Metropolitan Transportation Authority","images":["https://cdn.shopify.com/s/files/1/0920/5284/files/Onlyny67c9c65f8c0e062574001567c9c65f8c0e5.67c9c65f8c0e5.jpg?v=1743027196","https://cdn.shopify.com/s/files/1/0920/5284/files/Onlyny67c9c65fbae5b05202450967c9c65fbae60.67c9c65fbae60.jpg?v=1743027196"],"price":23,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:23:59.546Z"},"share_url":"https://firestarter.network/l/lst_Z2YrgD7e","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_Z2YrgD7e' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MTA NYCTA Collage T-Shirt' and a budget_max comfortably above $23.00 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."]}}