What is cache-alert?
cache-alert is a Claude Code mod by candiesdoodle that warns before this session's prompt cache expires (a countdown band above the prompt, a toast, desktop and Telegram alerts), and can keep the cache warm, compact or clear the session. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | candiesdoodle |
| Repository | candiesdoodle/cache-alert-mod |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (84/100) |
| Rank | #2,821 of 5,272 Claude Code mods; #492 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-09 |
| Hooks | 8 events |
| Sees | classic hooks, compaction |
| Draws on | AbovePrompt, Pane |
Is cache-alert safe to install?
cache-alert scores 84/100 on the MCPMods security check: Low risk. Things to review: sends data over the network. 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 |
|---|---|
| Sends data over the network | Review |
| 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 |
| 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 |
$.config.list | |
$.http.fetch | network requests |
$.prompt.submit | drives Claude |
$.session.cwd | |
$.session.id | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.close | draws interface |
$.ui.log | draws interface |
$.ui.notify | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install cache-alert?
- 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/candiesdoodle/cache-alert-mod claude plugin validate ./cache-alert-mod/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add candiesdoodle/cache-alert-mod && claude plugin install cache-alert@cache-alert
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-alert for you:
Install the "cache-alert" Claude Code mod from https://github.com/candiesdoodle/cache-alert-mod. Run claude plugin validate on it first and show me what it can access before you enable it.