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Claude Code's source code has been leaked via a map file in their NPM registry

Claude Code's source code has been accidentally leaked through a map file in their NPM registry, revealing internal implementation details. The leak has sparked significant discussion in the developer community with over 1800 points and 888 comments on Hacker News. This incident raises concerns about source code protection and build process security in npm packages.

Background

Source map files are commonly used in JavaScript development to map minified code back to original source code for debugging purposes. NPM is the primary package registry for the JavaScript ecosystem, hosting millions of open source packages.

Source
Hacker News (RSS)
Published
Mar 31, 2026 at 05:00 PM
Score
7.0 / 10