ShiftTab Normal → Auto → Plan
--permission-mode plan Start in plan mode
AltT Toggle thinking on/off
"ultrathink" Max effort for turn
CtrlO See thinking (verbose)
/effort ○ low · ◐ med · ● highNEW
--worktree name Isolated branch per feature
isolation: worktree Agent in own worktree
sparsePaths Checkout only needed dirsNEW
/batch Auto-creates worktrees
/voice Enable push-to-talk
Space (hold) Record, release to send
20 languages EN, ES, FR, DE, CZ, PL…
/context Usage + optimization tips
/compact [focus] Compress with focus
Auto-compact ~95% capacity
1M context Opus 4.6 (Max/Team/Ent)
CLAUDE.md Survives compaction!
claude -c Continue last conv
claude -r "name" Resume by name
/btw question Side Q, no context cost
claude -p "query" Non-interactive
--output-format json Structured output
--max-budget-usd 5 Cost cap
cat file | claude -p Pipe input
/loop 5m msg Recurring task
/rc Remote control
--remote Web session on claude.ai