What is cache-keepwarm?
cache-keepwarm is a Claude Code mod by mupamuc that keeps the prompt cache of an idle Claude Code session warm: just before the cache lapses it submits a short service prompt, so your next message reads the context from the cache instead of. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | mupamuc |
| Repository | mupamuc/cache-keepwarm |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (84/100) |
| Rank | #4,056 of 5,272 Claude Code mods; #774 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-04 |
| Hooks | 8 events |
| Sees | every prompt |
| Draws on | AbovePrompt |
Is cache-keepwarm safe to install?
cache-keepwarm scores 84/100 on the MCPMods security check: Low risk. Things to review: watches every prompt or event. 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 no processes | Pass |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Watches every prompt or event | Review |
| 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 | |
$.command.register | |
$.prompt.submit | drives Claude |
$.session.id | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.invalidate | draws interface |
$.ui.log | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install cache-keepwarm?
- 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/mupamuc/cache-keepwarm claude plugin validate ./cache-keepwarm/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/mupamuc/cache-keepwarm && claude --plugin-dir ./cache-keepwarm/.
Or ask Claude to set it up
Paste this into Claude Code and it installs cache-keepwarm for you:
Install the "cache-keepwarm" Claude Code mod from https://github.com/mupamuc/cache-keepwarm. Run claude plugin validate on it first and show me what it can access before you enable it.