Repowise scores KGerring/project_metadata_tools at 9.5 out of 10 for defect risk, which reads as excellent, alongside maintainability 9.3 and performance risk 9.8 on the same scale. There are 3,481 open findings across the three pillars, and the lowest-scoring file is python_parser.py at 5.2. Scores are computed from complexity, duplication, churn and git fix history, not from a linter.