What is limit-guard?
limit-guard is a Claude Code mod by burnrate-ai that warns when the prompt cache is invalidated; near the 5h cap blocks subagents and wide scans and asks Claude for short answers. It is listed under Security and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | burnrate-ai |
| Repository | burnrate-ai/burnrate |
| Popularity | 1 GitHub stars |
| Category | Security |
| Security | Low risk (88/100) |
| Rank | #1,705 of 5,272 Claude Code mods; #202 in Security |
| License | MIT |
| Last commit | 2026-10-09 |
| Hooks | 7 events |
| Sees | every prompt, every tool call |
| Draws on | AbovePrompt |
Is limit-guard safe to install?
limit-guard scores 88/100 on the MCPMods security check: Low risk. Things to review: watches every prompt or event. It passed 7 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 |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.now | |
$.command.register | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install limit-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/burnrate-ai/burnrate claude plugin validate ./burnrate/plugins/limit-guard
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add burnrate-ai/burnrate && claude plugin install limit-guard@burnrate
Or ask Claude to set it up
Paste this into Claude Code and it installs limit-guard for you:
Install the "limit-guard" Claude Code mod from https://github.com/burnrate-ai/burnrate/tree/main/plugins/limit-guard. Run claude plugin validate on it first and show me what it can access before you enable it.
More from burnrate-ai/burnrate
This repository has 3 Claude Code mods on MCPMods.
- burnrate: Full mod: live limits band above the prompt plus the guard (cache watchdog and limit brake). (Low risk)
- limits-band: Band above the prompt: 5h/7d limits with reset timers, context fill, cache hit rate and what fills your context. (Low risk)