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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.305 ·

Sign-in falls back to pasting a code when the local listener cannot start

If Claude Code cannot open its local sign-in listener, login now shows a URL and asks you to paste the code instead of failing

Group of 4 Use it now Improvements
JSON All of v2.1.305
Use it nowTier: how much it should matter to you
3Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
AuthArea: what it touches
ImprovementsKind: in v2.1.305,
What probably matters to youSection of the release

What

When you sign in, Claude Code normally starts a small local listener that receives the result from your browser. If that listener could not start, login failed.

  • Now login continues with a manual URL and asks you to paste the code shown after signing in, at the prompt "Paste code here > ".
  • The login screen says "Use the URL below to sign in" instead of "Browser didn't open? Use the url below to sign in".
  • claude auth login in a terminal prints "Sign in at:" with the URL and waits for the code; Ctrl-D closes the prompt and stops the login.
  • Running out of file handles (EMFILE or ENFILE) still stops login with an error.
  • If the fallback cannot be used, you see "Couldn't start the local listener that receives the browser sign-in. Try again." with " Run with --debug for the underlying error." added.
  • Separately, the sign-in URL builder can add one extra permission scope through a new alsoRequestScope option; no caller was found using it.

Why

Login can work on headless or remote machines and where the local port is blocked, and failures point you to --debug.

Read from
Names in the bundleclaude auth login
Since it was published

The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.

Confirmed since Anthropic's documentation has since written up claude auth login, on Authentication. * **Earlier sign-in**: you ran [`claude auth login`](/docs/en/cli-reference#cli-commands) in your shell before your first session, or you rebuilt a dev container that keeps your credentials in a [volume](/docs/en/devcontainer#persist-authe… authentication see the edit
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's documentation agreesAnthropic's documentation has since written up claude auth login, on Authentication.

See this entry in the whole of v2.1.305 →

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