What is cache-warm?
cache-warm is a Claude Code mod by EasyAIHenry that shows above the prompt how long the cache stays warm, what each message costs on your Claude plan, and one habit that saves usage. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | EasyAIHenry |
| Repository | EasyAIHenry/henry-mods |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (88/100) |
| Rank | #3,126 of 5,272 Claude Code mods; #558 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-04 |
| Hooks | 10 events |
| Sees | classic hooks, every prompt |
| Draws on | PromptHint, AbovePrompt |
Is cache-warm safe to install?
cache-warm scores 88/100 on the MCPMods security check: Low risk. Things to review: watches every prompt or event. 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 |
| Watches every prompt or event | Review |
| Doesn't drive Claude | Pass |
| 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 | |
$.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.toast | draws interface |
How do I install cache-warm?
- 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/EasyAIHenry/henry-mods claude plugin validate ./henry-mods/cache-warm
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add EasyAIHenry/henry-mods && claude plugin install cache-warm@henry-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-warm for you:
Install the "cache-warm" Claude Code mod from https://github.com/EasyAIHenry/henry-mods/tree/main/cache-warm. Run claude plugin validate on it first and show me what it can access before you enable it.