{"type":"firestarter.listing","listing":{"id":"lst_UurArIyH","product_name":"VINTAGE LA CHEMISERIE CACHAREL + PLAIN GOODS SHIRT","category":"Antique + Vintage","description":"\nLiberty print cotton lawn\nPink, orange and green floral on sky blue\nGently pointed round collar\n\nButton front \nRear inverted pleat\nMarked size L\nMeasures:\n\n21\" underarm to underarm\n26.5 \" from top of back to hem\n\n\n\nAs with most antique and vintage items, there may be subtle imperfections adding to the inherent character and integrity of each piece\n\nAll vintage and antique pieces are sold as-is and final sale\n\nFrance\n","images":["https://cdn.shopify.com/s/files/1/1046/1958/files/w_cacheral_2.jpg?v=1782337753","https://cdn.shopify.com/s/files/1/1046/1958/files/w_cacheral_1.jpg?v=1782337753"],"price":325,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T10:00:35.469Z"},"share_url":"https://firestarter.network/l/lst_UurArIyH","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_UurArIyH' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy VINTAGE LA CHEMISERIE CACHAREL + PLAIN GOODS SHIRT' and a budget_max comfortably above $325.00 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."]}}