qiitr uses QIITA_ACCESSTOKEN environmental variable for authoriation. You can issue a personal access token at https://qiita.com/settings/applications. To set the envvar permanently, write QIITA_ACCESSTOKEN = (your access token) to a file and save it as .Renviron on current directory or the home directory (For more info, see Startup). To set the variable temporarily, use qiita_set_accesstoken.

qiita_set_accesstoken()