Choose a permission mode changedpermission-modes
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297297If Claude Code reports auto mode as unavailable, one of these requirements is unmet; this is not a transient outage. A separate message that names a model and says auto mode "cannot determine the safety" of an action means a classifier request failed; that failure is usually transient, but on Amazon Bedrock it can repeat until your account can invoke the named model. See the [error reference](/docs/en/errors#auto-mode-cannot-determine-the-safety-of-an-action) for the causes and what to do.
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299If you set `defaultMode: "auto"` in [settings](/docs/en/settings-reference#all-settings) and a terminal session starts in Manual mode with no error, the setting is likely in `.claude/settings.json` or `.claude/settings.local.json`. In Claude Code v2.1.142 and later, `auto` doesn't take effect from those files. Move it to `~/.claude/settings.json`. For a conversation the VS Code extension started, check the extension's own list in [Switch permission modes](#switch-permission-modes) instead.
299If you set `defaultMode: "auto"` in [settings](/docs/en/settings-reference#all-settings) and a terminal session starts in Manual mode with no error, the setting is likely in `.claude/settings.json` or `.claude/settings.local.json`. `auto` doesn't take effect from those files. Move it to `~/.claude/settings.json`. For a conversation the VS Code extension started, check the extension's own list in [Switch permission modes](#switch-permission-modes) instead.
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301301<h3 id="enable-auto-mode-on-bedrock-agent-platform-or-foundry">
302302 Auto mode on Bedrock, Agent Platform, or Foundry
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