Security tools for vibe-coded apps
A short directory, not a ranking. Each note says what the tool is best for and whether a public page described a free tier. If a number was not on that page, it is marked unknown. Facts below were checked on 2026-10-13. Pricing changes. Open the source link before you buy or refuse something.
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13 of 13 tools
Aikido
Free tierApplication security platformOne dashboard for dependency, code, secret, and cloud findings when you do not want to assemble separate scanners.
Snyk
Free tierApplication security platformScanning dependencies, code, containers, and infrastructure-as-code from an IDE, CLI, or git host, with a free plan for individuals and small teams.
GitHub code scanning
Free tierCode scanningFinding insecure patterns in a repository's code with CodeQL, especially on a public GitHub repo.
Semgrep
Free tierCode scanningPattern-based code scanning you can run locally or connect to GitHub, with a free cloud tier for small teams.
Supabase Security Advisor
Free tier unknownDatabaseCatching Supabase-specific mistakes such as public tables with row level security disabled.
GitHub Dependabot
Free tierDependenciesAlerts and pull requests when a dependency you already use has a known vulnerability.
npm audit
Free tierDependenciesA local look at known vulnerabilities in the packages already installed in a JavaScript project.
Socket
Free tierDependency supply chainCatching malicious or surprising dependency behavior, not only packages that already have a CVE.
OWASP ZAP
Free tier unknownDynamic testingExercising a running site you are allowed to test, with a proxy aimed at people who are new to security testing.
Stripe CLI
Free tierPaymentsForwarding Stripe webhook events to a local server so you can test signature verification.
GitHub secret scanning
Free tierSecretsFinding known credential patterns that were committed to a GitHub repository, and blocking some pushes before they land.
Gitleaks
Free tier unknownSecretsSearching a git history for secrets from your own machine or from CI.
Cloudflare Radar URL Scanner
Free tierURL scanningA quick public report on what a URL loads and whether Cloudflare had a malicious-content verdict.