Track todos changedagent-sdk/todo-tracking
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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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99## Model availability
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1111<Note>
12 The following tools are available by default only on Claude 3.x models, Opus 4 through 4.7, Sonnet 4 through 4.6, and Haiku 4.5. On every other model, including model IDs Claude Code doesn't recognize, they aren't available unless you opt in:
12 The following tools are available by default only on Claude Opus 4.7, Claude Sonnet 4.6, Claude Haiku 4.5, and earlier models. On every other model, including model IDs Claude Code doesn't recognize, they aren't available unless you opt in:
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1414 * `TodoWrite`
1515 * `TaskCreate`
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