Claude Code Leak Reveals Always-On ‘Kairos’ Agent

Anthropic’s cybersecurity employees have probably spent the past week scolding their colleagues. After accidentally publishing a blog post last week containing details of its next flagship AI model, Claude Mythos, the company on Tuesday said it had accidentally leaked some of the source code powering its popular Claude Code coding agent. In short, someone at Anthropic mistakenly included the source code in a file they uploaded to a public repository where it routinely publishes documentation to help customers use its products. While this is far from a disaster and doesn’t involve the.