What is red-alert?
red-alert is a Claude Code mod by dukechain2333 that audible alerts for Claude Code: Claude sounds normal/yellow/red alerts on your server's speakers, with an LCARS status band and alert animations. It is listed under Interface and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | dukechain2333 |
| Repository | dukechain2333/red-alert |
| Popularity | 1 GitHub stars |
| Category | Interface |
| Security | Review before installing (64/100) |
| Rank | #1,759 of 5,272 Claude Code mods; #710 in Interface |
| License | MIT |
| Last commit | 2026-10-03 |
| Hooks | 10 events |
| Sees | classic hooks, every prompt, mcp__red-alert__alert calls |
| Draws on | AbovePrompt, Pane, ToolUse |
Is red-alert safe to install?
red-alert scores 64/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; starts processes outside the sandbox; watches every prompt or event. It passed 5 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| Sends data over the network | Review |
| Starts processes outside the sandbox | Review |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Watches every prompt or event | Review |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.clock.sleep | |
$.command.register | |
$.http.fetch | network requests |
$.process.run | runs processes |
$.state.get | |
$.state.set | |
$.tool.register | drives Claude |
$.ui.close | draws interface |
$.ui.focus | draws interface |
$.ui.invalidate | draws interface |
$.ui.log | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install red-alert?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/dukechain2333/red-alert claude plugin validate ./red-alert/plugin
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add dukechain2333/red-alert && claude plugin install red-alert@red-alert
Or ask Claude to set it up
Paste this into Claude Code and it installs red-alert for you:
Install the "red-alert" Claude Code mod from https://github.com/dukechain2333/red-alert/tree/main/plugin. Run claude plugin validate on it first and show me what it can access before you enable it.