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Arduino CLI is an all-in-one solution that provides Boards/Library Managers, sketch builder, board detection, uploader, and many other tools needed to use any Arduino compatible board and platform from command line or machine interfaces.

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For guidance on installation and development, see the User documentation.


  1. Install the Arduino CLI
  2. Follow the Getting Started guide to check out what the CLI can do
  3. Browse the Commands reference to see all the available commands
  4. Should you have an issue, read the FAQ page

How to contribute

Contributions are welcome!

Please read the document How to contribute which will show you how to build the source code, run the tests, and contribute your changes to the project.

✨ Thanks to all our contributors! ✨

Testing builds

Nightly builds are available for testing.


If you think you found a vulnerability or other security-related bug in the Arduino CLI, please read our security policy and report the bug to our Security Team 🛡️ Thank you!

e-mail contact:


Arduino CLI is licensed under the GPL 3.0 license.

You can be released from the requirements of the above license by purchasing a commercial license. Buying such a license is mandatory if you want to modify or otherwise use the software for commercial activities involving the Arduino software without disclosing the source code of your own applications. To purchase a commercial license, send an email to