What is cache-keeper?
cache-keeper is a Claude Code mod by etding that prompt-cache countdown, cost to re-warm, usage limits, cold-cache warnings and one-click handoff → clear & continue. It is listed under Cost & usage and has 2 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | etding |
| Repository | etding/cache-keeper |
| Popularity | 2 GitHub stars |
| Category | Cost & usage |
| Security | Low risk (92/100) |
| Rank | #1,157 of 5,272 Claude Code mods; #215 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-03 |
| Hooks | 7 events |
| Sees | compaction |
| Draws on | Pane, AbovePrompt |
Is cache-keeper safe to install?
cache-keeper scores 92/100 on the MCPMods security check: Low risk. No checks raised a concern. 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 |
| Only sees the events it hooks | Pass |
| Drives Claude (model calls, prompts) | Note |
| Validator reported problems | Note |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.list | |
$.command.register | |
$.command.run | drives Claude |
$.prompt.submit | drives Claude |
$.session.compact | drives Claude |
$.session.model | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install cache-keeper?
- 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/etding/cache-keeper claude plugin validate ./cache-keeper/cache-keeper
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/etding/cache-keeper && claude --plugin-dir ./cache-keeper/cache-keeper
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-keeper for you:
Install the "cache-keeper" Claude Code mod from https://github.com/etding/cache-keeper/tree/main/cache-keeper. Run claude plugin validate on it first and show me what it can access before you enable it.