{"type":"firestarter.listing","listing":{"id":"lst_V7VWaSQt","product_name":"Founded by NYC Welcome to Postcard Set","category":"Stationary","description":"• Pack of 10 postcards• 4\"W x 3.5\"H• 110lb high quality uncoated cardstock• Artwork by co-founder Micah NYC• Imported","images":["https://cdn.shopify.com/s/files/1/0920/5284/files/Only_NY_Founded_By_NYC_Welcome_To_Postcard_Set_Multi_01.jpg?v=1783871799","https://cdn.shopify.com/s/files/1/0920/5284/files/Only_NY_Founded_By_NYC_Welcome_To_Postcard_Set_Multi_02.jpg?v=1783871799","https://cdn.shopify.com/s/files/1/0920/5284/files/Only_NY_Founded_By_NYC_Welcome_To_Postcard_Set_Multi_03.jpg?v=1783871800","https://cdn.shopify.com/s/files/1/0920/5284/files/Only_NY_Founded_By_NYC_Welcome_To_Postcard_Set_Multi_04.jpg?v=1783871800","https://cdn.shopify.com/s/files/1/0920/5284/files/Only_NY_Founded_By_NYC_Welcome_To_Postcard_Set_Multi_05.jpg?v=1783871800"],"price":20,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:23:59.521Z","product_rating":null,"product_rating_count":0,"seller_rating":null,"seller_rating_count":0,"units_sold":0,"reviews":{"count":0,"top":[]},"videos":[]},"share_url":"https://firestarter.network/l/lst_V7VWaSQt","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_V7VWaSQt' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Founded by NYC Welcome to Postcard Set' 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."]}}