What is cache-countdown?
cache-countdown is a Claude Code mod by iamomiid that a fuse above the prompt that burns down with the prompt cache, with context and rate limit meters and buttons to keep the cache warm or compact. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | iamomiid |
| Repository | iamomiid/cache-countdown |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (84/100) |
| Rank | #3,402 of 5,272 Claude Code mods; #627 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-04 |
| Hooks | 9 events |
| Sees | classic hooks |
| Draws on | AbovePrompt |
Is cache-countdown safe to install?
cache-countdown scores 84/100 on the MCPMods security check: Low risk. Things to review: starts processes outside the sandbox. 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 processes outside the sandbox | Review |
| 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 |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.register | |
$.command.run | drives Claude |
$.fs.read | reads files |
$.model.fork | drives Claude |
$.process.run | runs processes |
$.session.usage | |
$.state.get | |
$.state.set | |
$.ui.invalidate | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install cache-countdown?
- 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/iamomiid/cache-countdown claude plugin validate ./cache-countdown/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/iamomiid/cache-countdown && claude --plugin-dir ./cache-countdown/.
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-countdown for you:
Install the "cache-countdown" Claude Code mod from https://github.com/iamomiid/cache-countdown. Run claude plugin validate on it first and show me what it can access before you enable it.