Directory
Gitleaks
Secret scanning in git history
FreeCode review, testing & securitygithub.com
What it is
Scans git repositories, loose files and stdin for passwords, API keys and tokens. It walks full commit history using
git log -p, so it finds credentials in old commits that were later deleted from the working tree. Runs as a CLI, pre-commit hook, Docker image or GitHub Action.Why it earns a slot
The highest-value five-minute install on this list. An assistant pasting a live
OPENAI_API_KEY or database URL into a committed config file is routine, and once pushed only history rewriting removes it.Know before you commit
Entropy-based detection false-positives on hashes, lockfiles and test fixtures, so budget time for a
.gitleaksignore baseline. The maintainer has declared it feature complete, security patches only.Getting started
brew install gitleaks && gitleaks detect --source .
Neighbourhood
How Gitleaks sits against the rest of the atlas — swaps, companions and the tools builders actually save alongside it.
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