{"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/Onlyny680906e6553242680906e6556f2.74780827680906e6556f2.jpg?v=1745510453","https://cdn.shopify.com/s/files/1/0920/5284/files/Onlyny680906e6c87824680906e6c89b9.14297436680906e6c89b9.jpg?v=1745510453","https://cdn.shopify.com/s/files/1/0920/5284/files/Onlyny680906e674a123680906e674db0.90082226680906e674db0.jpg?v=1745510453","https://cdn.shopify.com/s/files/1/0920/5284/files/Onlyny680906e693c1f2680906e693e0d.85496293680906e693e0d.jpg?v=1745510453","https://cdn.shopify.com/s/files/1/0920/5284/files/Onlyny680906e6b0d4d5680906e6b1f44.43655649680906e6b1f44.jpg?v=1745510453"],"price":20,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:23:59.521Z"},"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."]}}