How to Get Notified When a Claude Code Agent Is Waiting for Your Input

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Background coding agents like Claude Code can silently stall when waiting for user approval, wasting significant time before the user notices. Claude Code's built-in agent view can monitor multiple sessions and send notifications when a session needs input, finishes, or fails, but requires the view to remain open. For more flexible alerting, Claude Code supports custom Notification hooks that can route alerts to macOS notifications, Slack, or mobile push services via a simple shell command in settings. A bug in versions before v2.1.186 caused background subagents to block silently on permission prompts, so updating Claude Code is recommended before troubleshooting apparent hangs. Third-party tools like Blume offer a desktop-level overview across multiple agent platforms, combining session status, permission alerts, and usage tracking in one interface.

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