xint-oauth-pkce-callback-url-and-required-scopes
xint’s OAuth 2.0 PKCE flow listens on http://127.0.0.1:8477/callback — this exact URL must be registered in X Developer Portal under User Authentication Settings. Required OAuth scopes for full Phase 2b coverage: tweet.read, users.read, bookmark.read/write, like.read/write, list.read/write, follows.read/write, block.read/write, mute.read/write, offline.access. App type must be Native App.
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