Agent SDK reference - Python changedagent-sdk/python
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28562856 On other models, Claude Code provides the Task tools by default and `TodoWrite` only when you set `CLAUDE_CODE_ENABLE_TASKS=0`.
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2858 See [Model availability](/docs/en/agent-sdk/todo-tracking#model-availability) to opt in and [Migrate to Task tools](/docs/en/agent-sdk/todo-tracking#migrate-to-task-tools) to update your monitoring code.
2858 See [Model availability](/docs/en/agent-sdk/todo-tracking#model-availability) to opt in.
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