Jannet focused on improving data integrity within the anthropics/claude-cookbooks repository by addressing a critical metadata issue in the registry.yaml files. She identified and corrected inaccurate publish dates for the Threat Intel Cookbook, ensuring that registry data accurately reflected actual publication timelines. Her approach involved careful validation of YAML-based registry data, leveraging configuration management and devops practices to prevent downstream publishing and search errors. Jannet maintained clear documentation throughout the process, supporting future release hygiene. By collaborating across teams and utilizing Git for version control, she enhanced stakeholder trust in the registry’s reliability and contributed to smoother, error-free publishing workflows.