{"type":"firestarter.listing","listing":{"id":"lst_AzGZdqe3","product_name":"Wholesale: Paintable Postcards","category":null,"description":"4 paintable designs with paints, letterpress printed on a Heidelberg windmill press in our workshop. Jump into watercolor with ease! Roughly 4.5x6 inches \nPlease be aware there may be slight variances and imperfections due to the handmade nature of this product!  It was super important to us to develop the capacity to make these in house and we are learning as we go. We appreciate your understanding and support of Canadian manufacturing! ","images":["https://cdn.shopify.com/s/files/1/1985/4495/files/IMG_9672.heic?v=1776260480","https://cdn.shopify.com/s/files/1/1985/4495/files/IMG_9675.heic?v=1776260481","https://cdn.shopify.com/s/files/1/1985/4495/files/IMG_9651.heic?v=1776260478","https://cdn.shopify.com/s/files/1/1985/4495/files/IMG_9655.heic?v=1770837727"],"price":32,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:19.112Z"},"share_url":"https://firestarter.network/l/lst_AzGZdqe3","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_AzGZdqe3' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Wholesale: Paintable Postcards' and a budget_max comfortably above $32.00 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."]}}