Tim McCabe developed an automated validation workflow for the Khan/jenkins-jobs repository, focusing on enhancing data integrity and proactive monitoring within assessment processes. He implemented a Jenkins job that runs hourly to validate exercise IDs in assessments, leveraging Go for the core validation logic and Groovy for Jenkins pipeline scripting. The workflow syncs with the webapp repository and triggers real-time Slack alerts on validation failures, enabling faster remediation. Tim’s work demonstrated a strong grasp of automation and CI/CD practices, delivering a targeted feature that reduces the risk of invalid data entering production and improves the reliability of assessment workflows.