Semgrep

Fast static analysis with custom security rules.

Filed under: Coding

About Semgrep

Semgrep is a static analysis tool that scans code for bugs and security issues using lightweight, readable rules. Teams can write custom rules in minutes and run scans in CI or the IDE. Among AI coding tools with a security focus, Semgrep stands out for speed and customizability. It pairs well with AI assistants like GitHub Copilot by checking generated code.

Key features

  • Lightning-fast static analysis
  • Custom rules in YAML
  • 30+ language support
  • CI and IDE integrations
  • AI-assisted triage
  • Free tier for teams

Semgrep screenshots

Semgrep screenshot

Semgrep: pros & cons

Pros

  • Very fast scans
  • Easy custom rules
  • Generous free tier
  • Open-source engine

Cons

  • Rule tuning takes effort
  • Findings need review
  • Enterprise features paid

Semgrep FAQs

Is Semgrep free?
Semgrep offers a free tier; paid plans add advanced features and support.
Is Semgrep open source?
Yes, the Semgrep engine is open source.
How is Semgrep different from Snyk?
Semgrep focuses on fast, customizable static analysis rules, while Snyk emphasizes dependency and container security.