Run Claude Code programmatically changedheadless
Nearest release: v2.1.282, published 7 hours before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 24 Sep 2026 23:12 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 24 Sep 2026 23:37 UTC.
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3131### Start faster with bare mode
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33Add `--bare` to reduce startup time by skipping auto-discovery of hooks, skills, custom commands, [subagents](/docs/en/sub-agents), plugins, MCP servers, auto memory, and CLAUDE.md. Without it, `claude -p` loads the same [context](/docs/en/how-claude-code-works#the-context-window) an interactive session would, including anything configured in the working directory or `~/.claude`.
33Add `--bare` to reduce startup time by skipping auto-discovery of hooks, skills, custom commands, [subagents](/docs/en/sub-agents), installed plugins, MCP servers, auto memory, and CLAUDE.md. Without it, `claude -p` loads the same [context](/docs/en/how-claude-code-works#the-context-window) an interactive session would, including anything configured in the working directory or `~/.claude`.
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3535Bare mode is useful for CI and scripts where you need the same result on every machine. A hook in a teammate's `~/.claude` or an MCP server in the project's `.mcp.json` won't run, because bare mode never reads them. A directory you name with `--add-dir` is a partial exception: bare mode loads skills from its `.claude/skills/` folder, but still skips its `.claude/commands/` and `.claude/agents/` folders. [Skills from additional directories](/docs/en/skills#skills-from-additional-directories) covers what does and doesn't load.
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