Create custom subagents changedsub-agents
Nearest release: v2.1.233, published 20 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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809809* When a subagent finishes successfully, Claude Code removes its row immediately and, except in [screen reader mode](/docs/en/accessibility), shows `/tasks to see subagents` in the footer for 30 seconds. During those 30 seconds, run [`/tasks`](/docs/en/commands) and press `Enter` on the subagent to open its transcript. Before v2.1.232, Claude Code kept the row for 30 seconds after the subagent finished, the same as a failed one, and showed no footer hint.
810810* When a subagent fails or you stop it, Claude Code keeps its row for 30 seconds. To clear the row sooner, select it and press `x`.
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812A background subagent that completes stays listed in [`/tasks`](/docs/en/commands), marked done and sorted below running work, until the session cleans up its task list. Its detail view stays open when the subagent finishes. Subagents that fail or that you stop leave the list. Before v2.1.208, a completed subagent left the list the moment it finished and its detail view closed.
812A background subagent that completes stays listed in [`/tasks`](/docs/en/commands), marked done and sorted below running work, for the same window as the footer hint above. Its detail view stays open when the subagent finishes. Subagents that fail or that you stop leave the list. Before v2.1.208, a completed subagent left the list the moment it finished and its detail view closed.
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814814### Subagent names
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982982A completed subagent that receives a `SendMessage` auto-resumes in the background without a new `Agent` invocation. The same applies to a subagent that Claude stopped with the `TaskStop` tool.
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984As of v2.1.191, a subagent you stopped yourself, with `x` in `/tasks` or an SDK `stop_task` request, doesn't auto-resume. The `SendMessage` call returns a refusal telling Claude the agent was cancelled. Type into that subagent's transcript in the subagent panel to resume it yourself, which clears the stop so later `SendMessage` calls can auto-resume it again.
984As of v2.1.191, a subagent you stopped yourself, with `x` in `/tasks` or an SDK `stop_task` request, doesn't auto-resume. The `SendMessage` call returns a refusal telling Claude the agent was cancelled. While [that subagent's row is still in the subagent panel](#run-subagents-in-foreground-or-background), type into its transcript to resume it yourself, which clears the stop so later `SendMessage` calls can auto-resume it again.
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986986Resuming starts a new run of the agent under the same ID, so a subagent that had already failed or completed shows as running again in the task list and in the Agent SDK's task events. Before v2.1.205, it kept showing its earlier failed or completed status while the resumed run was working.
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