Access is granted by you, per channel, on Google's own consent screen. tek.CUT asks for these permissions:
View your YouTube accountAlways · youtube.readonly
Your channel's name, handle, ID, subscriber and view counts. Your uploads: titles, descriptions, tags, durations, privacy status, publish and live-stream start times, thumbnail addresses, and public view, like and comment counts.
View YouTube Analytics reportsAlways · yt-analytics.readonly
For your own channel: views, watch time, average view duration and percentage, likes, comments, shares, subscribers gained and lost, audience retention across each video, traffic sources, and daily views by content type (Shorts, long-form, live).
Upload videosOnly if you connect with publishing · youtube.upload
Used only to upload the clips you approved in a publish plan, at the visibility and time shown in that plan.
Manage your YouTube accountOnly if you connect with publishing · youtube.force-ssl
Used only to carry out an approved plan: update the title, description and tags of your videos, add caption files, set thumbnails, add a video to a playlist, and mark paid promotion.
tek.CUT does not access comment text, your subscribers' identities, messages, payment information, or any channel you did not connect.