# Anthropic shifts Claude Code auto mode to opt-out default starting August 14

> Source: <https://www.getreadyforagents.com/news/claude-code-auto-mode-default/>
> Published: 2026-08-08 20:05:21+00:00

# Anthropic shifts Claude Code auto mode to opt-out default starting August 14

According to The New Stack, Anthropic is making auto mode the default permission model in Claude Code beginning August 14, shifting from opt-in to opt-out autonomous execution. In auto mode, a second Claude Sonnet 5 model grades consequential actions before execution against a classifier ruleset; The New Stack found 44 KB of the classifier's prompt is undocumented and inaccessible, governing when documented safety rules bend.

## Topics

## Sources

- Press
[Read article](https://www.highflame.com/blog/the-44kb-of-claude-codes-rulebook-you-cant-print/) - Press
[Read article](https://thenewstack.io/claude-code-auto-mode/)

## Go deeper

This intelligence is sourced automatically from public sources across the web and synthesised by the Prefactor AI pipeline. Stories are reviewed before publication.