{"type":"firestarter.listing","listing":{"id":"lst_X_f0-heJ","product_name":"Mixed Media Postcards","category":"Paper","description":"Strathmore Watercolor PostcardsPad of 154\" x 6\" / 10.2 x 15.2cm140lb. Acid FreeMade in USA\nAnother favorite of ours!  This little pad of mixed media postcards is wonderful to pack along on travels and adventures, though we've found they are a great way to connect with friends and family while everyone is stuck at home.  The front side is blank, with a subtle texture - more subtle than the watercolor postcards, and the reverse size is printed like a traditional postcard, with lines for an address and a place for your stamp.\nA delightful way to use your art to connect to the special people in your life.\n \n© Greenleaf &amp; Blueberry 2020www.greenleafblueberry.com","images":["https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_1731.jpg?v=1631831109","https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_2380_2bab03d5-275c-460f-8128-ee9bc48ed3cc.jpg?v=1631831127"],"price":6.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:23.534Z","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_X_f0-heJ","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_X_f0-heJ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mixed Media Postcards' and a budget_max comfortably above $6.50 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."]}}