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v3.41.1
New:
BM25 Skill Routing
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Agent Harness Engineering
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Context Engineering + ACE-v2
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Guide v3.41.1 →
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Act Mode
Claude Code
Modes
Act Mode
Normal execution mode where Claude can read, write, and run commands. Opposite of Plan Mode.
Related terms in Modes
Fast Mode
Mode (v2.1.36+) running 2.5x faster at 6x the token cost, on the same underlying model. Toggle with...
Plan Mode
Read-only mode where Claude can analyze, search, and propose but cannot modify files. Activated with...
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