A quick but structured way to understand whether a codebase is safe to extend.
Direct answer
A repository health check is a high-level review that shows whether a codebase is stable, maintainable, secure, and ready for new work. It highlights the modules, dependencies, and architecture decisions that create the most change risk.
Healthy repositories usually have clear module boundaries, current dependencies, predictable ownership, manageable complexity, and a change pattern that is not concentrated in a few fragile files.
A health check should surface dependency risk, maintenance hotspots, structural bottlenecks, risky churn patterns, and security issues without forcing the team into a long manual audit first.
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