The Cheapest CI Gate That Catches Real Breakage

July 11, 2026 · Kryptorious Tools

Most breakage ships because three cheap checks were skipped, not because the architecture was wrong. Here is the minimal gate.

1. Lint + type check

Catches the typos and API drift that tests miss. Free, runs in seconds.

2. Test on the matrix you support

If you claim Python 3.9–3.12 support, test that matrix. actions/checkout plus a version matrix in GitHub Actions is the standard, maintained primitive (repo github.com/actions/checkout verified live, HTTP 200).

3. Secret scan

A pre-commit + CI secret scan (gitleaks/trufflehog) stops the leak that becomes an incident.

Three gates, zero cost, and the majority of "it broke in prod" disappears. The DevFlow Premium bundle ships these as drop-in Actions with approval gates.

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