Repowise scores thorcollective/hearth at 7.2 out of 10 for code health, which reads as good, alongside maintainability 8.6 and static performance 9.8 on the same scale. There are 213 open findings across the three pillars, and the lowest-scoring file is process_issue.py at 2.0. Scores are computed from complexity, duplication, churn and git fix history, not from a linter.