What is cache-watch?
cache-watch is a Claude Code mod by paweechinagarn that shows prompt-cache hit rate and time to expiry, and offers the cheapest way to carry on before the cache lapses. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | paweechinagarn |
| Repository | paweechinagarn/claude-code-mods |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (96/100) |
| Rank | #4,261 of 5,272 Claude Code mods; #813 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-12 |
| Hooks | 9 events |
| Sees | classic hooks, compaction |
| Draws on | AbovePrompt, Pane |
Is cache-watch safe to install?
cache-watch scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 7 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 |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.command.register | |
$.model.fork | drives Claude |
$.session.compact | drives Claude |
$.state.get | |
$.state.set | |
$.ui.copy | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install cache-watch?
- 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/paweechinagarn/claude-code-mods claude plugin validate ./claude-code-mods/cache-watch
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add paweechinagarn/claude-code-mods && claude plugin install cache-watch@claude-code-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-watch for you:
Install the "cache-watch" Claude Code mod from https://github.com/paweechinagarn/claude-code-mods/tree/main/cache-watch. Run claude plugin validate on it first and show me what it can access before you enable it.
More from paweechinagarn/claude-code-mods
This repository has 2 Claude Code mods on MCPMods.
- sticky-todos: Keeps Claude's todo list in a side pane beside the transcript, open only while the list has items. (Low risk)