
The Claude Code Changelog · Yesterday · 5 min
Taming Worker Thinking with CLAUDE_CODE_SUBAGENT_EFFORT
0:00-5:10
transcript
show notes
Learn how to decouple worker reasoning from main sessions using the new CLAUDE_CODE_SUBAGENT_EFFORT environment variable in Claude Code 2.1.316. We also cover disabling ultrathink, blocking external file writes, and the timeline for Opus 4.8 fast mode deprecation.