{"type":"firestarter.listing","listing":{"id":"lst_YyXn7XyC","product_name":"Mercer","category":"Horizontal","description":"Art by Jenny Komenda\n\"From Soho to Noho, Mercer Street in NYC has my heart. I love the neutral buildings, and that little pop of terracotta color, takes me right back to the city. I heart NYC and Mercer Street.\"","images":["https://cdn.shopify.com/s/files/1/1806/8745/products/MERCER_5fd08a59-80bf-411c-b8fe-53e545c220a0.jpg?v=1664168273","https://cdn.shopify.com/s/files/1/1806/8745/products/Gentry-One-Room-Challenge-33_8278bc89-54e4-4a61-8e68-78e77771aa25.jpg?v=1664168273"],"price":29,"currency":"USD","in_stock":true,"inventory_qty":229977,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:12.632Z"},"share_url":"https://firestarter.network/l/lst_YyXn7XyC","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_YyXn7XyC' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mercer' and a budget_max comfortably above $29.00 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."]}}