Repowise scores addyosmani/agent-skills at 9.3 out of 10 for code health, which reads as excellent, alongside maintainability 9.9 and static performance 9.8 on the same scale. There are 15 open findings across the three pillars, and the lowest-scoring file is validate-skills.js at 7.6. Scores are computed from complexity, duplication, churn and git fix history, not from a linter.