{"type":"firestarter.listing","listing":{"id":"lst_6VQX02TO","product_name":"2027 Postcard Calendar","category":"Cards","description":"The Postcard Calendar is a versatile planner, with 12 printed postcards (one for each month of the year). You can pin it to your wall, post it to a friend — the possibilities are endless. Litho printed in Scotland.","images":["https://cdn.shopify.com/s/files/1/0435/6698/9476/files/250723_Mark_Fold_Postcard-Calendar_2.jpg?v=1753293973","https://cdn.shopify.com/s/files/1/0435/6698/9476/files/250723_Mark_Fold_Postcard-Calendar_1.jpg?v=1753293973","https://cdn.shopify.com/s/files/1/0435/6698/9476/files/MarkAndFold_Jun25-132.jpg?v=1753293973","https://cdn.shopify.com/s/files/1/0435/6698/9476/files/Mark_Fold_Postcard-Calendar_6.jpg?v=1753293973","https://cdn.shopify.com/s/files/1/0435/6698/9476/files/Mark_Fold_Postcard-Calendar_7.jpg?v=1753293973","https://cdn.shopify.com/s/files/1/0435/6698/9476/files/Mark_Fold_Postcard-Calendar_2.jpg?v=1753293973","https://cdn.shopify.com/s/files/1/0435/6698/9476/files/Mark_Fold_Postcard-Calendar_4.jpg?v=1753293973","https://cdn.shopify.com/s/files/1/0435/6698/9476/files/Mark_Fold_Postcard-Calendar_1.jpg?v=1753293973","https://cdn.shopify.com/s/files/1/0435/6698/9476/files/Mark_Fold_Postcard-Calendar_10.jpg?v=1753293973"],"price":16.2,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:16.254Z"},"share_url":"https://firestarter.network/l/lst_6VQX02TO","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_6VQX02TO' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 2027 Postcard Calendar' and a budget_max comfortably above $16.20 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."]}}