Breaking Claude Code Opus 5 Auto Mode

Auto mode is the default prompt-injection defense for Claude Code, and it can be bypassed — and can block remediation after detection. Treat sandboxing, not the classifier, as the real boundary when agents touch untrusted archives.

• AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
• sandbox — An isolated environment where AI-generated code or agent actions run without being able to touch anything real.

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• postWe recently made auto mode the default in Claude Code, which means you no…ClaudeDevs

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