Claude Code leaked via Github
Claude Code leaked via Github On March 31, 2026, the full source code of Anthropic's Claude Code CLI was leaked via a .map file exposed in their npm registry. https://github.com/tanbiralam/claude-code Surprising Info Revealed in the Code * Written by AI: half a million lines of Typescript Javascript (Bun) code written almost entirely by Claude itself. * "Undercover Mode": The code revealed a hidden, 90-line feature that activates when Anthropic employees contribute to open-source projects. It is designed to strip all traces of AI involvement, ensuring commit messages and pull requests do not reveal their AI origins or leak internal project codenames. * Unshipped AI Features: The codebase contained references to highly advanced features still in development. This included "Kai ROS" (an always-on, autonomous background agent designed to work on GitHub issues while you sleep), "Ultraplan" (which spawns a heavy-duty remote Opus server to plan ta...