Rohit Gupta developed the CloudWatch Synthetics Canary Failure Analysis feature for the awslabs/mcp repository, enhancing the Application Signals MCP Server’s ability to diagnose and remediate canary failures. He introduced the analyze_canary_failures command, which performs deep analysis by reviewing logs and screenshots to generate actionable recommendations. His work involved extensive use of Python and AWS services such as CloudWatch, S3, and Lambda, with Boto3 facilitating AWS integration. Rohit focused on improving test coverage and addressing stability issues, resulting in a more reliable canary analysis workflow. The project demonstrated thorough error and root cause analysis, emphasizing robust, maintainable engineering practices.