What is context-cache?
context-cache is a Claude Code mod by Lunik that bottom-grid row: context fill and prompt cache (hit rate, countdown from the TTL the API reports). Toasts when context is full or the cache expired. It is listed under Cost & usage and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | Lunik |
| Repository | Lunik/gmz-claude-marketplace |
| Popularity | 1 GitHub stars |
| Category | Cost & usage |
| Security | Low risk (92/100) |
| Rank | #1,946 of 5,272 Claude Code mods; #337 in Cost & usage |
| Last commit | 2026-10-04 |
| Hooks | 4 events |
| Sees | only the events it hooks |
| Draws on | SessionMode |
Is context-cache safe to install?
context-cache scores 92/100 on the MCPMods security check: Low risk. No checks raised a concern. 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 |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Validator reported problems | Note |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.session.usage | |
$.ui.invalidate | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install context-cache?
- 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/Lunik/gmz-claude-marketplace claude plugin validate ./gmz-claude-marketplace/context-cache
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Lunik/gmz-claude-marketplace && claude plugin install context-cache@gmz-claude-marketplace
Or ask Claude to set it up
Paste this into Claude Code and it installs context-cache for you:
Install the "context-cache" Claude Code mod from https://github.com/Lunik/gmz-claude-marketplace/tree/master/context-cache. Run claude plugin validate on it first and show me what it can access before you enable it.
More from Lunik/gmz-claude-marketplace
This repository has 6 Claude Code mods on MCPMods.
- clawd-gotchi: Bottom-left retro RPG companion: a pet fed by cache hits and commits, failing test suites as bosses. (Low risk)
- llm-speed: Band showing avg time to first token and output tokens/s (Low risk)
- model-band: Band above the prompt: current model and reasoning effort. (Low risk)
- rtk-quota: Band showing rtk gain: tokens saved and quota preserved (Low risk)
- usage-tracker: Bottom-grid row: plan and session/week usage. Toasts when limits near. (Low risk)