What is cache-timer?
cache-timer is a Claude Code mod by EricJamie that a countdown to when the conversation's prompt cache expires, in the prompt footer before the model name. It is listed under Cost & usage and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | EricJamie |
| Repository | EricJamie/claude-code-mods |
| Popularity | 1 GitHub stars |
| Category | Cost & usage |
| Security | Low risk (84/100) |
| Rank | #1,776 of 5,272 Claude Code mods; #299 in Cost & usage |
| Last commit | 2026-10-04 |
| Hooks | 5 events |
| Sees | only the events it hooks |
| Draws on | SessionMode |
Is cache-timer safe to install?
cache-timer 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 |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.process.run | runs processes |
$.session.id | |
$.state.get | |
$.state.set | |
$.ui.resolve | draws interface |
How do I install cache-timer?
- 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/EricJamie/claude-code-mods claude plugin validate ./claude-code-mods/plugins/cache-timer
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add EricJamie/claude-code-mods && claude plugin install cache-timer@claude-code-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-timer for you:
Install the "cache-timer" Claude Code mod from https://github.com/EricJamie/claude-code-mods/tree/main/plugins/cache-timer. Run claude plugin validate on it first and show me what it can access before you enable it.
More from EricJamie/claude-code-mods
This repository has 2 Claude Code mods on MCPMods.
- context-band: A band above the prompt with rate limits, tokens, speed, cache, cost and context fill, in light and dark themes (Review before installing)