Genry developed cross-account monitoring support for AWS CloudWatch within the grafana/mcp-grafana repository, focusing on enhancing multi-account observability. By introducing an accountId parameter to CloudWatch tools, Genry enabled users to query metrics from specific source accounts or all linked accounts, streamlining dashboard and alert management across AWS environments. The implementation leveraged Go for backend development and utilized JSON for data handling, with an emphasis on API development and cloud computing best practices. Genry collaborated closely with co-authors to ensure robust code quality, delivering a targeted feature that addressed the need for more accurate and efficient multi-account monitoring workflows.