What is usage-guard?
usage-guard is a Claude Code mod by Camellia-inc that claude の5時間の使用量の上限を status line に出し、しきい値を超えたらツールとプロンプトを止める mod. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | Camellia-inc |
| Repository | Camellia-inc/usage-guard |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (84/100) |
| Rank | #2,819 of 5,272 Claude Code mods; #324 in Security |
| License | MIT |
| Last commit | 2026-10-02 |
| Hooks | 4 events |
| Sees | every prompt, every tool call |
| Draws on | nothing |
Is usage-guard safe to install?
usage-guard scores 84/100 on the MCPMods security check: Low risk. Things to review: 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 |
| Doesn't read environment variables | Pass |
| Watches every prompt or event | Review |
| Doesn't drive Claude | Pass |
| Validator reported problems | Note |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.now | |
$.session.usage | |
$.ui.status | draws interface |
How do I install usage-guard?
- 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/Camellia-inc/usage-guard claude plugin validate ./usage-guard/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Camellia-inc/usage-guard && claude plugin install usage-guard@usage-guard
Or ask Claude to set it up
Paste this into Claude Code and it installs usage-guard for you:
Install the "usage-guard" Claude Code mod from https://github.com/Camellia-inc/usage-guard. Run claude plugin validate on it first and show me what it can access before you enable it.