Repowise scores creack/pty at 8.4 out of 10 for code health, which reads as good, alongside maintainability 9.5 and static performance 10.0 on the same scale. There are 47 open findings across the three pillars, and the lowest-scoring file is pty_darwin.go at 5.9. Scores are computed from complexity, duplication, churn and git fix history, not from a linter.