Claude Code paste bug fix — abstract clipboard with broken chain and error symbols in red and orange

Claude Code Login Issue: How to Fix the “Can’t Paste Authentication Code” Error on macOS and Windows

If you just ran claude login, got your authentication code from the browser, and your terminal silently refuses to paste it, you are not doing anything wrong. This was a known regression that started in Claude Code v2.1.105 and persisted through v2.1.107, confirmed by Anthropic’s own changelog and dozens of open bug reports on GitHub. […]