What is under-management?
under-management is a Claude Code mod by Interesting-Systems that play Under Management while Claude works on a long turn. After 20 s of work, press 1: the game opens in a 960 x 600 window of its own and pauses itself when Claude finishes. It is listed under Games and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | Interesting-Systems |
| Repository | Interesting-Systems/under-management-claude |
| Popularity | 1 GitHub stars |
| Category | Games |
| Security | Review before installing (64/100) |
| Rank | #1,839 of 5,272 Claude Code mods; #40 in Games |
| License | MIT |
| Last commit | 2026-10-02 |
| Hooks | 5 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt |
Is under-management safe to install?
under-management scores 64/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; starts processes outside the sandbox; reads environment variables. 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 |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| 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.after | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.http.fetch | network requests |
$.process.run | runs processes |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.invalidate | draws interface |
$.ui.resolve | draws interface |
How do I install under-management?
- 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/Interesting-Systems/under-management-claude claude plugin validate ./under-management-claude/plugins/under-management
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Interesting-Systems/under-management-claude && claude plugin install under-management@interesting-systems
Or ask Claude to set it up
Paste this into Claude Code and it installs under-management for you:
Install the "under-management" Claude Code mod from https://github.com/Interesting-Systems/under-management-claude/tree/main/plugins/under-management. Run claude plugin validate on it first and show me what it can access before you enable it.