What is token-monster?
token-monster is a Claude Code mod by ugglr that a pixel-art monster in a side pane that eats tokens and shows context, limits and activity at a glance. It is listed under Cost & usage and has 5 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | ugglr |
| Repository | ugglr/claude-token-monster |
| Popularity | 5 GitHub stars |
| Category | Cost & usage |
| Security | Review before installing (76/100) |
| Rank | #717 of 5,272 Claude Code mods; #136 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-04 |
| Hooks | 18 events |
| Sees | classic hooks, compaction, every prompt, every tool call, subagent spawns |
| Draws on | Pane, ToolProgress, AbovePrompt |
Is token-monster safe to install?
token-monster scores 76/100 on the MCPMods security check: Review before installing. Things to review: reads environment variables; watches every prompt or event. It passed 6 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 |
|---|---|
| No network access | Pass |
| Starts no processes | Pass |
| Writes no files or config | Pass |
| Reads environment variables | Review |
| 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 |
|---|---|
$.agent.list | |
$.audio.play | plays audio |
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.prompt.fill | writes the prompt box |
$.session.messages | reads the transcript |
$.session.usage | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.blit | draws interface |
$.ui.close | draws interface |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.panes | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install token-monster?
- 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/ugglr/claude-token-monster claude plugin validate ./claude-token-monster/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add ugglr/claude-token-monster && claude plugin install token-monster@token-monster
Or ask Claude to set it up
Paste this into Claude Code and it installs token-monster for you:
Install the "token-monster" Claude Code mod from https://github.com/ugglr/claude-token-monster. Run claude plugin validate on it first and show me what it can access before you enable it.