What is cache-meter?
cache-meter is a Claude Code mod by T-AI-Labs that prompt-cache hit rate in one row above the prompt, with how long the cache stays warm and a Keep warm switch that refreshes it while you are away. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | T-AI-Labs |
| Repository | T-AI-Labs/claude-code-mods |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (96/100) |
| Rank | #4,755 of 5,272 Claude Code mods; #935 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-17 |
| Hooks | 5 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt |
Is cache-meter safe to install?
cache-meter 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 | |
$.model.fork | drives Claude |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install cache-meter?
- 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/T-AI-Labs/claude-code-mods claude plugin validate ./claude-code-mods/cache-meter
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add T-AI-Labs/claude-code-mods && claude plugin install cache-meter@T-AI-Labs
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-meter for you:
Install the "cache-meter" Claude Code mod from https://github.com/T-AI-Labs/claude-code-mods/tree/main/cache-meter. Run claude plugin validate on it first and show me what it can access before you enable it.
More from T-AI-Labs/claude-code-mods
This repository has 5 Claude Code mods on MCPMods.
- catalog-pane: A pane, opened with /catalog, that lists every skill, command, agent, mod, plugin, settings hook, MCP server and tool by (Review before installing)
- context-meter: Context fill in one row above the prompt, with a switchable auto-compact threshold and Compact and Clear buttons. (Low risk)
- context-usage: context-meter and usage-limits in one band above the prompt: the context fill with its auto-compact threshold, Compact a (Low risk)
- usage-limits: One row above the prompt: how much of the 5-hour and weekly usage limits is used, in percent, with the time until each r (Low risk)