Unclear It is not clear what switches this tool on, so it may not be available in every session.
What
Claude Code has a new tool, described as "Wait for your background work". A tool is an action Claude can choose to take during a reply. This one makes Claude wait until one of these arrives:
- a background task finishing
- a queued message
- mail from a teammate
- a scheduled run firing
If Claude calls it a second time in the same reply, the second call returns a result saying it is a duplicate instead of waiting again.
Why
This gives Claude a direct way to hold until work it started in the background is ready, rather than checking repeatedly.
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It is not clear what switches this tool on, so it may not be available in every session.