April 7, 2026•1 min read•from InfoQ

Anthropic Accidentally Exposes Claude Code Source via npm Source Map File

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

By Steef-Jan Wiggers

Want to read more?

Check out the full article on the original site

View original article→

Tagged with

#no-code spreadsheet solutions

#rows.com

#Anthropic

#Claude Code

#TypeScript

#npm package

#source map file

#codebase

#packaging error

#multi-agent orchestration

#GitHub

#leak

#unreleased features

#internal model codenames

#CLI

#human error

#archived

#error

#code

#version 2.1.88