Accessing npm using two-factor authentication
Sign in from the command line using security-key flow
- On the command line, type the - npm logincommand.
- When prompted, provide your username, password, and email address. user@host:~$ npm loginnpm notice Log in on https://registry.npmjs.org/Username: monaPassword:Email: (this IS public) mona@github.comnpm notice Open https://www.npmjs.com/login/913c3ab1-89a0-44bd-be8d-d946e2e906f0 to use your security key for authentication or enter OTP from your authenticator app
- If you have configured a security-key, open the provided URL shown in the command line. Alternatively, if you have configured a mobile authenticator skip to step 6. 
- Click on Use security key and follow the browser specific steps to authenticate.  
- Copy the generated token  
- Enter the one-time password into the CLI prompt. - Enter one-time password:
Sign in from the command line using --auth-type=web
npm 8.14.0 and higher support login flow through the browers. This will become the default behavior for the npm public registry in npm 9.
With an existing browser session
- On the command line, type the - npm login --auth-type=webcommand.
- When prompted hit "ENTER" to open your browser to start the login flow or click the provided URL show in the command line. user@host:~$ npm loginnpm notice Log in on https://registry.npmjs.org/Authenticate your account at:https://www.npmjs.com/login?next=/login/cli/b1a2f96a-ce09-4463-954c-c99f6773b922Press ENTER to open in the browser...
- Click on Use security key and follow the browser specific steps to authenticate.  - Note: If you have configured to use TOTP, you will see an TOTP prompt instead 
Without an existing browser session
- On the command line, type the - npm login --auth-type=webcommand.
- When prompted hit "ENTER" to open your browser to start the login flow or click the provided URL show in the command line. user@host:~$ npm loginnpm notice Log in on https://registry.npmjs.org/Authenticate your account at:https://www.npmjs.com/login?next=/login/cli/b1a2f96a-ce09-4463-954c-c99f6773b922Press ENTER to open in the browser...
- Log in to npm with your user account. 
- Click on Use security key and follow the browser specific steps to authenticate.  - Note: If you have configured to use TOTP, you will see an TOTP prompt instead