{"type":"firestarter.listing","listing":{"id":"lst_tpN5G486","product_name":"Watercolor Postcards, 120lb.","category":"Paper","description":"Watercolor Postcards 20 Sheets4.1\" x 5.8\" / 10.5 x 14.8cm120lb. Cold PressedAlpha CelluloseMade in Germany\nBeautiful Hahnemühle paper in the form of postcards.  This little block is postcard-sized and has postcard lines on the back of each sheet.  A delightful way to use your art to connect to the special people in your life.\n \n© Greenleaf &amp; Blueberry 2023www.greenleafblueberry.com","images":["https://cdn.shopify.com/s/files/1/1696/5931/files/IMG_2764.jpg?v=1708038753","https://cdn.shopify.com/s/files/1/1696/5931/files/IMG_2765.jpg?v=1708038753","https://cdn.shopify.com/s/files/1/1696/5931/files/IMG_2766.jpg?v=1708038753"],"price":8.45,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:21.917Z","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_tpN5G486","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_tpN5G486' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Watercolor Postcards, 120lb.' and a budget_max comfortably above $8.45 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."]}}