Claude Code mod
agent-monitor
Live steps of the subagents Claude starts (their text and grouped tool calls), in up to 3 stacked windows (the rest queued)
Install
/plugin marketplace add isaac-pathlab/claude-monitor
/plugin install agent-monitor@shell-monitorMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L1Reads: reads mod state, draws
- Sees
- subagent spawns
- Draws in
Pane- Hooks
session.startagent.spawnsession.appendturn.completeui.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
agent-monitor- Marketplace
shell-monitor- Author
- Isaac Mok
- License
- MIT
- Last updated
- 8 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is agent-monitor?
Live steps of the subagents Claude starts (their text and grouped tool calls), 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 agent-monitor mod access?
Its widest reach is "reads" (reads mod state, draws). It sees subagent spawns. It draws in Pane. Like any mod, it runs with your permissions.
How do I install agent-monitor?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add isaac-pathlab/claude-monitor and then /plugin install agent-monitor@shell-monitor.
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