Create custom subagents changedsub-agents
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Upstream edited this page at 6 Oct 2026 19:59 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 6 Oct 2026 20:07 UTC.
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309309| `memory` | No | [Persistent memory scope](#enable-persistent-memory): `user`, `project`, or `local`. Enables cross-session learning |
310310| `background` | No | Set to `true` to keep this subagent in the background even when Claude asks to run it in the foreground. Where [fork mode](#turn-fork-mode-on-or-off) is on, Claude Code already runs the subagents Claude spawns [in the background](#run-subagents-in-foreground-or-background) |
311311| `omitClaudeMd` | No | Set to `true` to launch this subagent without the user, project, and local CLAUDE.md files; [managed policy files](/docs/en/memory#how-claude-md-files-load) still load, except for [managed subagents](#choose-the-subagent-scope). Use it for subagents that take everything they need from the [delegation prompt](#what-loads-at-startup). Ignored when the agent runs as the main session agent via `--agent` or the `agent` setting. Requires Claude Code v2.1.271 or later |
312| `effort` | No | Effort level when this subagent is active. Overrides the session effort level. Default: inherits from session. Options: `low`, `medium`, `high`, `xhigh`, `max`; available levels depend on the model |
312| `effort` | No | Effort level when this subagent is active. Overrides the session effort level, but not the [`CLAUDE_CODE_EFFORT_LEVEL`](/docs/en/env-vars#variables) environment variable. Options: `low`, `medium`, `high`, `xhigh`, `max`; available levels depend on the model |
313313| `isolation` | No | Set to `worktree` to run the subagent in a temporary [git worktree](/docs/en/worktrees), giving it an isolated copy of the repository branched by default from your [default branch](/docs/en/worktrees#choose-the-base-branch) rather than the parent session's `HEAD`. The worktree is automatically cleaned up if the subagent makes no changes |
314314| `color` | No | Display color for the subagent in the task list and transcript. Accepts `red`, `blue`, `green`, `yellow`, `purple`, `orange`, `pink`, or `cyan` |
315315| `initialPrompt` | No | Auto-submitted as the first user turn when this agent runs as the main session agent (via `--agent` or the `agent` setting). [Commands](/docs/en/commands) and [skills](/docs/en/skills) are processed. Prepended to any user-provided prompt. Ignored for [plugin subagents](#choose-the-subagent-scope) |
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