Requirements
Node.js 20.19 or newer. Check with:
If it’s missing or older, install the current LTS from nodejs.org, or with a version manager such as nvm or fnm.
Install
Then check it:
keel on its own opens the Keel shell. Type exit (or press Ctrl+D) to leave it.
If npm install -g fails with EACCES, your Node install wants administrator rights for global packages. Install Node through a version manager instead of using sudo.
Tab completion
Keel completes commands, people, projects, refs and dates when you press Tab. Turn it on for your shell, then open a new terminal:
Inside the Keel shell, Tab completion works without this.
Update or uninstall
Next: the quickstart.