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’s Claude Code Update Leaks Source Code, Reveals Always-on Agent and Memory ...

A file containing part of the source code appears to have been leaked with the recent Claude Code 2.1.88 update.

Source Code for Anthropic’s Claude Code Leaks at the Exact Wrong Time

After details of a yet-to-be-announced model were revealed due to the company leaving unpublished drafts of documents and blog posts in a publicly visible data cache, Anthropic has been hit with yet ...

アンソロピック、ソースコード50万行流出…「AI安全企業」の ...

3月31日、アンソロピックのAIコーディングツール「Claude ...
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Claude Code's leaked source code revealed some features Anthropic wasn't ready to share yet

Oops. A 60MB source map file just leaked Anthropic's entire roadmap.

Claude Codeのソースコード流出によって明らかになったAnthropicの開発プロジェクトとは？

2026年3月31日、AnthropicのコーディングAIエージェント・Claude Codeのソースコードが流出する事件が起きました。このソースコードを解析した結果、Anthroipicが開発中あるいは無効化していた機能の存在が明らかとなりました。

Anthropic accidentally exposed Claude Code source, raising security concerns

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 JavaScript source map intended only for internal ...
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Anthropic Leaks Claude Code Source via Npm Source Map

Anthropic has accidentally exposed Claude Code's full 512,000-line TypeScript source via an npm source map, revealing ...

Claude Code source code leak: Did Anthropic reveal its secret AI models? What it means for ...

Claude Code Source Code Leak Anthropic: Analysts believe the leak could impact the company’s reputation, especially as it is reportedly preparing for a $380 billion IPO.