What is cache-expiry-notifier?
cache-expiry-notifier is a Claude Code mod by deshpandeamrut that notifies you X minutes before your prompt cache expires so you can send a turn before paying the full re-cache cost. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | deshpandeamrut |
| Repository | deshpandeamrut/claude-code-mods |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Review before installing (68/100) |
| Rank | #3,027 of 5,272 Claude Code mods; #537 in Cost & usage |
| Last commit | 2026-10-09 |
| Hooks | 6 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt |
Is cache-expiry-notifier safe to install?
cache-expiry-notifier scores 68/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; reads environment variables. It passed 4 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 |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.fs.read | reads files |
$.fs.stat | reads files |
$.process.run | runs processes |
$.prompt.submit | drives Claude |
$.session.id | |
$.session.root | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.invalidate | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install cache-expiry-notifier?
- 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/deshpandeamrut/claude-code-mods claude plugin validate ./claude-code-mods/cache-expiry-notifier
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/deshpandeamrut/claude-code-mods && claude --plugin-dir ./claude-code-mods/cache-expiry-notifier
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-expiry-notifier for you:
Install the "cache-expiry-notifier" Claude Code mod from https://github.com/deshpandeamrut/claude-code-mods/tree/master/cache-expiry-notifier. Run claude plugin validate on it first and show me what it can access before you enable it.