• node version >= 18

npm install cbmgr -g

• ~/.cbmgr/config.json

{
  "browserPath": "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome",
  "userDataDir": "/home/myname/browsers"
}

• browserPath is your browser execute file path, you can visit chrome://version/ get it.
• userDataDir is your browsers folder, it will stores all your browser data

openb my-first-browser

And you can find the "my-first-browser" folder created in userDataDir