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Upstream edited this page at 13 Oct 2026 04:17 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 13 Oct 2026 04:37 UTC.
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635635The task list is Claude's to-do checklist: items Claude created to plan multi-step work, with indicators showing what's pending, in progress, or complete. It's separate from the background-task view. To see running shells and subagents, use [`/tasks`](/docs/en/commands) instead.
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637The list fills only in sessions that have the task-tracking tools, which Claude Code provides by default on [Claude 3.x models, Opus 4 through 4.7, Sonnet 4 through 4.6, and Haiku 4.5](/docs/en/tools-reference#task-tool-availability). On any other model, including a model ID Claude Code doesn't recognize, the list stays empty unless you opt in with `CLAUDE_CODE_ENABLE_TODO_TOOLS=1` or one of the other ways under [Task tool availability](/docs/en/tools-reference#task-tool-availability). When the session has the tools, the task list works as follows:
637The list fills only in sessions that have the task-tracking tools, which Claude Code provides by default on [Opus 4.7, Sonnet 4.6, Haiku 4.5, and earlier models](/docs/en/tools-reference#task-tool-availability). On any other model, including a model ID Claude Code doesn't recognize, the list stays empty unless you opt in with `CLAUDE_CODE_ENABLE_TODO_TOOLS=1` or one of the other ways under [Task tool availability](/docs/en/tools-reference#task-tool-availability). When the session has the tools, the task list works as follows:
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639639* Press `Ctrl+T` to toggle the task list view. The display shows up to five tasks at a time. When Claude hasn't created any checklist items yet, the toggle has no visible effect because there's nothing to display
640640* If you leave the list expanded, Claude Code restores the expanded view the next time you launch into a session that still has tasks, such as with `--resume` or `--continue`. When the task list is empty, Claude Code starts it collapsed
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