Claude Code – Everything You Can Configure That the Docs Don't Tell You

Claude Code contains numerous undocumented configuration capabilities buried in its source code, including a permission system called the "YOLO Classifier" that accepts plain English environment descriptions, hook scripts that can rewrite commands in real-time, and persistent agent memory settings. The article reveals dozens of hidden fields and response formats available in the publicly distributed npm package that can dramatically expand functionality, with all examples provided as copy-paste ready code snippets for immediate implementation.