Installation
A step-by-step guide on how to install, update or remove the Tessl CLI.
Install
Download the CLI
The CLI can be installed using npm .
Note: the Tessl CLI requires Node version 22.x or higher
npm install -g @tessl/cliTest the CLI
Run the following command to check that everything is working.
tessl --helpAuthenticate with Tessl [optional]
Log in to Tessl to access all CLI functionality.
tessl loginThis will display a verification code and URL
Please log in at the URL below (if your browser didn't open automatically):
https://auth.tessl.io/device
Then confirm the following code:
XYZA-BCDE
⠏ Waiting for confirmation…Open the URL in your browser and login to Tessl with either your Github or Google account.

Once authenticated, you can enter the device code in your browser window.

You can now verify your authentication status with:
tessl whoamiTo log out when needed:
tessl logoutUpgrade
To upgrade your existing CLI to the latest version
npm update -g @tessl/clitessl update
This command will automatically update your CLI to the latest version.Update to specific version
You can find all the releases
npm info @tessl/cliTo install/upgrade to a specific version
You can find all the releases in the changelog. To install/upgrade to a specific version
Example to install the specific version, v0.21.0
npm install -g @tessl/[email protected]
Example to install the specific version, example v0.21.0. Note: Use this for release candidates.
tessl update -t v0.21.0
Uninstall
To uninstall the Tessl CLI, run
npm uninstall -g @tessl/cliTo remove Tessl config files, delete the
~/.tessldirectory
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