TipsLesser-known

--add-dir / --agents / --advisor / --effort / --name

Sets extra folders, subagent JSON definitions, the advisor, effort level and session name at startup.

Usage

claude -n 작업이름 --effort high

When to use it

When you want to fix settings at launch time.

Source: https://code.claude.com/docs/en/cli-reference

Related

/add-dirAdds a folder Claude can access in this session.Claude CodeCommands /effortAdjusts how hard the model thinks (effort).Claude CodeCommandsNew 2026-03 /advisorTurns on an advisor that asks another model for advice when things get hard.Claude CodeCommands

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Custom slash commands (.claude/commands)A single markdown file becomes a /name command.Tips Hooks (settings.json)Automatically runs commands on events such as before or after a tool runs.Tips Headless mode (-p)Runs once without a UI and prints only the result.Tips --continue / -cContinues the most recent conversation in the current folder.Tips --resume / -rResumes a session by ID or name.Tips --fork-sessionResumes a session but branches it off under a new session ID.Tips

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