What is wavy-usage?
wavy-usage is a Claude Code mod by BatuhanCakmakk that liquid-filled rings above the Claude Code prompt for the 5-hour and 7-day limit windows, context fill and prompt-cache lifetime, a fighter jet that shows the model's effort, and a pane of. It is listed under Cost & usage and has 4 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | BatuhanCakmakk |
| Repository | BatuhanCakmakk/wavy-usage |
| Popularity | 4 GitHub stars |
| Category | Cost & usage |
| Security | Low risk (88/100) |
| Rank | #723 of 5,272 Claude Code mods; #137 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-18 |
| Hooks | 7 events |
| Sees | only the events it hooks |
| Draws on | Pane, AbovePrompt |
Is wavy-usage safe to install?
wavy-usage scores 88/100 on the MCPMods security check: Low risk. Things to review: reads environment variables. 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 |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| 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 | |
$.config.list | |
$.env.get | reads env vars |
$.session.cwd | |
$.session.id | |
$.session.model | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.keys | keeps its own state |
$.store.set | keeps its own state |
$.ui.close | draws interface |
$.ui.invalidate | draws interface |
$.ui.log | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install wavy-usage?
- 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/BatuhanCakmakk/wavy-usage claude plugin validate ./wavy-usage/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add BatuhanCakmakk/wavy-usage && claude plugin install wavy-usage@wavy-usage
Or ask Claude to set it up
Paste this into Claude Code and it installs wavy-usage for you:
Install the "wavy-usage" Claude Code mod from https://github.com/BatuhanCakmakk/wavy-usage. Run claude plugin validate on it first and show me what it can access before you enable it.