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Anthropic Accidentally Exposes Claude Code Source via npm Source Map File

512,000 lines of Claude's source code just leaked. Here's what Anthropic's unreleased features reveal about their roadmap.

Reporting by InfoQ AI/ML 1 min brief
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The KeyNews take

Why it matters

A packaging error exposed Anthropic's internal architecture, unreleased features, and multi-agent orchestration plans—providing rare visibility into how one of AI's biggest players is building their next generation of models and tools.

The key facts

5 to know

  1. Anthropic Claude Code CLI v2.1.88 accidentally included source map file

  2. 512,000-line TypeScript codebase exposed

  3. Source archived to GitHub within hours

  4. Leak revealed unreleased features, internal model codenames, and multi-agent orchestration architecture

  5. Anthropic attributed incident to human packaging error

Go to the source

InfoQ AI/MLinfoq.com

Publisher excerpt: Anthropic's Claude Code CLI had its full TypeScript source exposed after a source map file was accidentally included in version 2.1.88 of its npm package. The 512,000-line codebase was archived to GitHub within hours. Anthropic called it a packaging error caused by human error. The leak revealed…
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