{"type":"firestarter.listing","listing":{"id":"lst_XjGpAEz_","product_name":"White Shapes Mugs by Sarah Steininger Leroux","category":"Ceramics","description":"Wheel thrown dark stoneware with porcelain slip decoration. Unglazed exterior, glossy white interior. Approx. 3\" h x 4\" w 12 oz. Design varies.","images":["https://cdn.shopify.com/s/files/1/0164/0955/9104/products/IMG_8480.jpg?v=1582845525","https://cdn.shopify.com/s/files/1/0164/0955/9104/products/IMG_8478.jpg?v=1582845525","https://cdn.shopify.com/s/files/1/0164/0955/9104/products/IMG_8482.jpg?v=1582845435","https://cdn.shopify.com/s/files/1/0164/0955/9104/products/IMG_8483.jpg?v=1582845435"],"price":55,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:19.516Z"},"share_url":"https://firestarter.network/l/lst_XjGpAEz_","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_XjGpAEz_' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy White Shapes Mugs by Sarah Steininger Leroux' and a budget_max comfortably above $55.00 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."]}}