[ { "name": "get_customer_profile", "description": "Retrieve customer profile using customer ID, email, or phone number", "inputSchema": { "type": "object", "properties": { "customer_id": { "type": "string" }, "email": { "type": "string" }, "phone": { "type": "string" } }, "required": [ "customer_id" ] } }, { "name": "check_warranty_status", "description": "Check the warranty status of a product using its serial number and optionally verify via email", "inputSchema": { "type": "object", "properties": { "serial_number": { "type": "string" }, "customer_email": { "type": "string" } }, "required": [ "serial_number" ] } } ]