AI & LLM

Claude Code Source Leak: KAIROS, ULTRAPLAN, and Anthropic

On March 31, 2026, a single missing line in a config file exposed 510,000+ lines of Claude Code’s source code via npm. Unreleased projects ‘KAIROS’, ‘ULTRAPLAN’, and ‘Undercover Mode’ became public, reshaping the competitive landscape of AI coding tools.

Microsoft's $10B Japan Investment in AI Infrastructure

Microsoft announced a $10 billion investment in Japan over 2026–2029. An engineer’s breakdown of the ‘Sovereign AI’ strategy behind the announcement, why Sakura Internet’s stock jumped 20%, and what ‘1 million people trained’ actually means.