What is cache-guard?
cache-guard is a Claude Code mod by escapeboy that keeps the prompt cache warm while idle and holds the first prompt after the cache went cold, with its cost. It is listed under Security and has 93 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | escapeboy |
| Repository | escapeboy/claude-code-kit |
| Popularity | 93 GitHub stars |
| Category | Security |
| Security | Low risk (84/100) |
| Rank | #117 of 5,272 Claude Code mods; #31 in Security |
| License | MIT |
| Last commit | 2026-10-09 |
| Hooks | 6 events |
| Sees | every prompt |
| Draws on | nothing |
Is cache-guard safe to install?
cache-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 |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.command.register | |
$.model.fork | drives Claude |
$.session.usage | |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install cache-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/escapeboy/claude-code-kit claude plugin validate ./claude-code-kit/17-mods/marketplace/mods/cache-guard
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add escapeboy/claude-code-kit && claude plugin install cache-guard@ai-prompts-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-guard for you:
Install the "cache-guard" Claude Code mod from https://github.com/escapeboy/claude-code-kit/tree/master/17-mods/marketplace/mods/cache-guard. Run claude plugin validate on it first and show me what it can access before you enable it.
More from escapeboy/claude-code-kit
This repository has at least 9 Claude Code mods on MCPMods.
- aside: /aside : asks a tool-less fork of the session in a pane; nothing enters the main conversation. (Low risk)
- ci-watch: /ci-watch : polls gh pr checks every minute in the status line, no tokens. (Low risk)
- cleanup-tracker: Records downloads, installs and started containers; /cleanup-list shows them. (Low risk)
- company-hq: Back office for the /company skill: every /company run is its own company (state file per company, several open at once) (High risk)
- context-meter: Band above the prompt: context fill, cache read, cost, plan limits; warns at 50%/70%; Handoff button and /handoff past 7 (Low risk)
- deploy-verify: After a deploy command, runs 5 post-deploy checks from the project's .claude/deploy-verify.json and tells Claude the res (Review before installing)
- fleet-status: Fleet P1/P2 counts from ~/.continuity/FLEET-STATE.md in the status line; /fleet and /ports commands. (Review before installing)
- lang-guard: Flags Russian words and plain-language slips (em-dash asides, 40+ word sentences, aphorisms) in Bulgarian answers; remin (Low risk)