A practical guide to building guardrails for GenAI-based coding agents like Claude Code to enforce code quality and prevent poor output. Four layers of defense are described: a pre-commit checklist skill instructing the agent to run linting, type checking, and coverage checks; a deterministic pre-commit Git hook using the pre-commit framework plus gitleaks for secret scanning; GitHub Actions workflow jobs that run tests and lint checks even if the agent bypasses local hooks; and automated CodeScene pull request reviews that block merges when code health scores fall below 10. The layered approach ensures that if one guardrail is bypassed, others still catch problems.
Table of contents
Pre-commit checklist skill §Pre-commit Git hook §GitHub Actions workflow §Automated GitHub status checks: CodeScene pull request review §What’s next §Need help with modernizing your architecture? §Sort: