Add to services.php
'mediawiki' => [
'client_id' => env('WIKI_OAUTH_ID'),
'client_secret' => env('WIKI_OAUTH_SECRET'),
'redirect' => 'oob',
'url' => env('WIKI_URL'),
'auth_type' => env('WIKI_AUTH_TYPE', 'authenticate'),
]auth_type accepts two values: authenticate for User Identification only or authorize for extended Access.