Back to library
Test & PolishToolSource availableFreemium

CodeQL

CodeQL is GitHub's semantic analysis engine and query language for multi-language databases, dataflow, and Actions scanning.

Visit official site
Content updated Aug 7, 2026Automated check reached the official site · Checked Aug 24, 2026

Why use it

Security teams write reusable rules and trace complex taint paths in pull requests.

Where it fits

Use testing, performance, accessibility, and diagnostic tools to remove problems players will notice.

quality-assuranceprivacy

What to check

CLI licensing limits commercial closed-source use, private repositories generally need GitHub Advanced Security, and queries require expertise.

Search the site

Search resources and field guides

    Privacy settings

    Your language choice, open home-page sections, favorites, comparisons, and recent views stay in this browser. Nothing is uploaded.