Repowise scores a2aproject/a2a at 9.4 out of 10 for code health, which reads as excellent, alongside maintainability 9.8 and static performance 10.0 on the same scale. There are 4 open findings across the three pillars, and the lowest-scoring file is macros.py at 8.4. Scores are computed from complexity, duplication, churn and git fix history, not from a linter.