What is neon-usage?
neon-usage is a Claude Code mod by allianceoptima that a one-line neon band above the prompt: context fill, rate-limit windows and session cost. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | allianceoptima |
| Repository | allianceoptima/claude-theme-studio |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (84/100) |
| Rank | #2,565 of 5,272 Claude Code mods; #430 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-06 |
| Hooks | 6 events |
| Sees | every prompt |
| Draws on | AbovePrompt |
Is neon-usage safe to install?
neon-usage 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 |
| 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 | |
$.clock.now | |
$.command.register | |
$.session.usage | |
$.settings.read | reads settings |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install neon-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/allianceoptima/claude-theme-studio claude plugin validate ./claude-theme-studio/neon-usage
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add allianceoptima/claude-theme-studio && claude plugin install neon-usage@claude-theme-studio
Or ask Claude to set it up
Paste this into Claude Code and it installs neon-usage for you:
Install the "neon-usage" Claude Code mod from https://github.com/allianceoptima/claude-theme-studio/tree/main/neon-usage. Run claude plugin validate on it first and show me what it can access before you enable it.
More from allianceoptima/claude-theme-studio
This repository has 2 Claude Code mods on MCPMods.
- theme-studio: Recolor Claude Code's chat from 441 palettes or one you mix: prompts, replies, tool rows, spinner, footer and panes. (Low risk)