Many tools for Portuguese projects. The OAuth is needed to verify the wiki user in a tool that register data related to abuse filter log, like false positives in filters actions.
Owner-only
No
Applicable project
pt.wikipedia.org
OAuth "callback URL"
https://tools.wmflabs.org/ptwikis/login
Allow consumer to specify a callback in requests and use "callback" URL above as a required prefix.
Yes
Applicable grants
User identity verification only, no ability to read pages or act on a user's behalf.