Anthropic confirms it leaked Claude Code source code — spilling some of its biggest secrets

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

Claude Code's source code appears to have leaked: here's what we know

The leak provides competitors—from established giants to nimble rivals like Cursor—a literal blueprint for how to build a ...

Anthropic leaks source code for Claude Code again: Here's what happened

Anthropic has exposed Claude Code's source code, with a packaging error triggering a rapid chain reaction across GitHub and ...
Cybernews

Anthropic inadvertently leaks source code for Claude Code CLI tool

Anthropic, the flagship AI company, has inadvertently exposed the source code for its major CLI tool Claude Code. It has ...
The Hacker News

Claude Code Source Leaked via npm Packaging Error, Anthropic Confirms

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

Claude Code Source Leak Exposes Anti-Distillation Traps

Anthropic's Claude Code source has leaked via a packaging error, exposing anti-distillation traps, an undercover mode, and ...
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That includes the Copilot features in Visual Studio Code.

Anthropic confirms it leaked 512,000 lines of Claude Code source code — spilling some of its biggest secrets

Security researcher Chaofan Shou posted on X, saying “Claude Code source code has been leaked via a map file in their npm ...