A file containing part of the source code appears to have been leaked with the recent Claude Code 2.1.88 update.
Sigrid Jin woke up to chaos and shipped "Claw Code" by breakfast. Here's everything it taught the world.
IntroductionOn March 31, 2026, Anthropic accidentally exposed the full source code of Claude Code (its flagship ...
The exposure traces back to version 2.1.88 of the @anthropic-ai/claude-code package on npm, which was published with a 59.8MB ...
Anthropic's Claude Code source has leaked via a packaging error, exposing anti-distillation traps, an undercover mode, and scaffolding for an unreleased agent.
Google Threat Intelligence Group warns of active supply chain attack on npm’s Axios library Malicious dependency ...
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'More Open Than OpenAI': Anthropic Accidentally Leaks Claude Code, Triggering a Race to Replicate It
Anthropic accidentally exposed over half a million lines of its Claude Code, triggering a rapid global effort to copy and ...
Analysts believe the leak could impact the company’s reputation, especially as it is reportedly preparing for a $380 billion ...
An npm registry for Claude Code was inadvertently made available, and many of Anthropic’s tricks and features are now public ...
Anthropic's accidental leak has exposed Claude AI's internal code, revealing several unreleased features like Buddy, KAIROS ...
New York Anthropic accidentally leaked to the public part of its Claude Code, its agentic AI, yesterday. A 59.8 MB JavaScript ...
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