Anthropic accidentally exposed part of Claude Code's internal source code

Anthropic leaked part of the internal source code for Claude Code, its popular coding assistant. The company said it was due to human error.
VentureBeat

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

VentureBeat made with Google Gemini 3.1 Pro Image Anthropic appears to have accidentally revealed the inner workings of one of its most popular and lucrative AI products, the agentic AI harness Claude ...
XDA Developers

Claude Code's leaked source code revealed some features Anthropic wasn't ready to share yet

Mahnoor Faisal is a tech journalist covering AI and productivity tools with bylines at XDA, SlashGear, MakeUseOf, Laptop Mag, and Android Police. She's been writing professionally since she was ...
Ars Technica

Entire Claude Code CLI source code leaks thanks to exposed map file

The entire source code for Anthropic’s Claude Code command line interface application (not the models themselves) has been leaked and disseminated, apparently due ...
Bitcoin.com

Anthropic Source Code Leak 2026: Claude Code CLI Exposed via npm Source Map Error

Anthropic accidentally shipped the full source code of its Claude Code CLI inside a public npm package, exposing roughly 512,000 lines of Typescript to anyone paying attention.