Source material powering Anthropic's Claude Code leaked for the second time in just over a year, publicly exposing the AI coding tool's full architecture, unreleased features and internal model performance data.

A recent leak involving Anthropic has unexpectedly pulled back the curtain on a set of unreleased features for its AI coding assistant, Claude, offering a rare glimpse into the company’s future ambiti...

Within hours, the massive 512,000-line TypeScript codebase was copied across GitHub and studied by thousands of developers.