What
A new built-in Proactive output style makes Claude act more autonomously: execute immediately, minimize interruptions, and prefer action over planning.
Usage
claude
# Open /config and set Output style to ProactiveDetails
- Adds
Proactivealongside existing built-in output styles. - Uses a dedicated style prompt, not just a generic reminder.
- Adds a shorter per-turn reminder:
Execute autonomously, minimize interruptions, prefer action over planning. - This is a fully built-in style; no plugin is required.
Evidence
Built-in output style definition (search for "Proactive Style Active", "Claude executes immediately, minimizes interruptions, and prefers action over planning")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.