Early this morning, Anthropic published version 2.1.88 of Claude Code npm package—but it was quickly discovered that package ...

Claude Code's entire source code has been leaked and the internet is up in arms.

Would you like a closer look at Claude? Someone at Anthropic has some explaining to do, as the official npm package for ...

Earlier today, a Claude Code release included some internal source code. No sensitive customer data or credentials were ...

A researcher flagged the issue on 31 March 2026, and the code has since been archived on multiple public repositories, ...

The leak reveals the tool’s internal architecture, tool implementations, multi-agent workflows, and potentially unreleased ...

Claude Code 2.1.88 leak exposed 512,000 lines via npm error, fueling supply chain risks and typosquatting attacks.

Anthropic is scrambling to contain the leak, but the AI coding agent is spreading far and wide and being picked apart.

A version of the AI coding tool in Anthropic's npm registry included a source map file, which leads to the full proprietary ...

The incident has been described as one of the most significant code leaks in recent times, involving the exposure of Claude ...

Anthropic says it accidentally leaked the source code for Claude Code, which is closed source, but the company says no ...