Claude Code mod
shell-monitor
Live output of the background shells Claude starts, in up to 3 stacked windows (the rest queued)
Install
/plugin marketplace add isaac-pathlab/claude-monitor
/plugin install shell-monitor@shell-monitorMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L1Reads: reads files, reads env vars, reads mod state, draws
- Sees
- every tool call
- Draws in
Pane- Hooks
session.starttool.callsession.appendui.closecommand.runui.scrollui.render
From a static scan of the mod's code by awesome-claude-code-mods. It shows what the code asks for, not a security review.
How Claude Code mods work
- A mod is a plugin with a JavaScript or TypeScript module that runs inside Claude Code (version 2.1.287 or later). It can draw panes beside the transcript, a band above the prompt, buttons and toasts, restyle the spinner and tool rows, and watch or rewrite tool calls and prompts.
- It installs like any plugin: add its marketplace with /plugin marketplace add owner/repo, then /plugin install name@marketplace.
- Check what a mod can reach before installing: it runs with your permissions. Reach goes from drawing only, to reading files, to writing files or running processes, to the network. Run claude plugin validate on a clone to list its hooks and calls without running it.
- Turn one off from the Installed tab in /plugin, or start Claude Code with --safe-mode to skip every customization for a session.
Details
- Repository
- isaac-pathlab/claude-monitor
- Folder
shell-monitor- Marketplace
shell-monitor- Author
- Isaac Mok
- License
- MIT
- Last updated
- 8 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is shell-monitor?
Live output of the background shells Claude starts, in up to 3 stacked windows (the rest queued) It is a mod for Claude Code, from isaac-pathlab/claude-monitor on GitHub.
What can the shell-monitor mod access?
Its widest reach is "reads" (reads files, reads env vars, reads mod state, draws). It sees every tool call. It draws in Pane. Like any mod, it runs with your permissions.
How do I install shell-monitor?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add isaac-pathlab/claude-monitor and then /plugin install shell-monitor@shell-monitor.
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