Software developers and security researchers can secure their code using the CodeQL CLI.

The CodeQL CLI is a command-line tool used to run CodeQL processes locally on open source software projects. You can use the CodeQL CLI to:

• Run CodeQL analyses using queries provided by GitHub engineers and the open source community
• Create CodeQL databases to use in the CodeQL for Visual Studio Code
• Develop and test custom CodeQL queries to use in your own analyses

For information about using the CodeQL CLI, see ":ref:`Getting started with the CodeQL CLI <getting-started-with-the-codeql-cli>`."

The CodeQL CLI includes commands to create and analyze CodeQL databases from the command line. To run a command, use:

codeql [command] [subcommand]

To view the reference documentation for a command, add the --help flag, or visit the "CodeQL CLI manual."