What is usage-bell?
usage-bell is a Claude Code mod by KTCrisis that rings when the session nears a limit: context fill, rate-limit windows, the auto-memory index. It is listed under Cost & usage and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | KTCrisis |
| Repository | KTCrisis/flux7-mods |
| Popularity | 1 GitHub stars |
| Category | Cost & usage |
| Security | Low risk (84/100) |
| Rank | #1,921 of 5,272 Claude Code mods; #333 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-15 |
| Hooks | 6 events |
| Sees | Write|Edit calls |
| Draws on | PromptHint |
Is usage-bell safe to install?
usage-bell scores 84/100 on the MCPMods security check: Low risk. Things to review: starts processes outside the sandbox. 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 processes outside the sandbox | Review |
| 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 |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.command.register | |
$.fs.read | reads files |
$.process.run | runs processes |
$.session.usage | |
$.state.set | |
$.ui.invalidate | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install usage-bell?
- 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/KTCrisis/flux7-mods claude plugin validate ./flux7-mods/usage-bell
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/KTCrisis/flux7-mods && claude --plugin-dir ./flux7-mods/usage-bell
Or ask Claude to set it up
Paste this into Claude Code and it installs usage-bell for you:
Install the "usage-bell" Claude Code mod from https://github.com/KTCrisis/flux7-mods/tree/main/usage-bell. Run claude plugin validate on it first and show me what it can access before you enable it.
More from KTCrisis/flux7-mods
This repository has 5 Claude Code mods on MCPMods.
- atelier-bell: Tells you when an atelier finishes: flux7-studio renders, as toasts and a line under the prompt (Low risk)
- avatar7: A machine face that watches tool calls and comments on them, with switchable avatars (High risk)
- jukebox7: Plays music from YouTube when asked in plain words, audio only through a hidden VLC, with a small control pane (Review before installing)
- mesh7-pane: Live mesh7 decisions, pending approvals and emergency stops in a pane (Low risk)