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Login required: Claude Code missing ANTHROPIC_AUTH_TOKEN

Quick fix

Upgrade to v3.16.3; on older versions add an ANTHROPIC_AUTH_TOKEN placeholder to Claude Code's env.

Symptom

Section titled “Symptom”
Error output
claude code仍提示需要登陆
English translation

claude code still prompts that login is required

Cause

Section titled “Cause”

When takeover is enabled for a managed Codex provider, Claude Code's live config may lack `ANTHROPIC_AUTH_TOKEN`, triggering the login prompt. Reported in v3.16.1 and v3.16.2.

The maintainer states v3.16.3 auto-injects an `ANTHROPIC_AUTH_TOKEN` placeholder during takeover, covering hot switches, fresh installs, and old configs that lost the key.

Fix

Section titled “Fix”

  1. Upgrade CC Switch to v3.16.3, which auto-injects the required placeholder when taking over a managed Codex provider.

  2. If you cannot upgrade yet, manually add an `ANTHROPIC_AUTH_TOKEN` placeholder to `env` in the Claude Code config, then start Claude Code.

    ~/.claude/settings.json
    {
      "env": {
        "ANTHROPIC_AUTH_TOKEN": "PROXY_MANAGED"
      }
    }

Affected Versions

Section titled “Affected Versions”
ToolClaude Code
Version受影响：3.16.1 - 3.16.2；已在 v3.16.3 修复
PlatformsWindows

Source Issues

Section titled “Source Issues”

This page is distilled from 2 real issues

FAQ

Section titled “FAQ”
What if manually adding "ANTHROPIC_AUTH_TOKEN": "" does not fix it?
Use `"ANTHROPIC_AUTH_TOKEN": "PROXY_MANAGED"` instead; after upgrading to v3.16.3 no manual change is needed.
Do I need to re-edit the config file when switching models back and forth?
v3.16.3 auto-injects the placeholder during takeover; the maintainer states no manual config edits are needed.
Section titled “Related problems”
Claude still asks to log in after configuration - Claude CodeAdd hasCompletedOnboarding: true to ~/.claude.json to skip the login prompt.4 issues mergedCannot configure additional upstream request headers in Claude DesktopThis is an unimplemented feature request; the original post provides no verified solution.1 issues mergedGateway /v1/models returned an unexpected body: Claude CodeNo verified solution is available; the local proxy must return an Anthropic `data` model-list format to Claude Code.1 issues merged

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