description: "The todo group map: the model-facing todo_write tool over the session log, for users and maintainers navigating the group."
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The todo group gives agents a session-level task list to plan with: add tasks, mark them in progress, and check them off, with the same list persisting across turns and reopened sessions. It is one product package that provides the todo_write tool; the list belongs to the agent session that created it, and each update replaces the whole list. Interactive hosts show the standing plan from the list, while the group itself ships no UI.
| Package | Role | ctx key |
|---|---|---|
tool-todo |
Lets the agent maintain a session task list: plan tasks, update status, and track progress | registers on ctx.tools |
todo/write event payload, ownership rules, and TodoItem.todo_write schema the model receives.