What is context-bar?
context-bar is a Claude Code mod by Boom-Vitt that context window breakdown and prompt-cache countdown above the prompt; /context-bar toggles it. It is listed under Cost & usage and has 5 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | Boom-Vitt |
| Repository | Boom-Vitt/boombignose-mods |
| Popularity | 5 GitHub stars |
| Category | Cost & usage |
| Security | Low risk (88/100) |
| Rank | #687 of 5,272 Claude Code mods; #131 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-11 |
| Hooks | 5 events |
| Sees | every prompt |
| Draws on | AbovePrompt |
Is context-bar safe to install?
context-bar scores 88/100 on the MCPMods security check: Low risk. Things to review: watches every prompt or event. 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 |
| Doesn't read environment variables | Pass |
| Watches every prompt or event | Review |
| 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 | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.ui.resolve | draws interface |
How do I install context-bar?
- 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/Boom-Vitt/boombignose-mods claude plugin validate ./boombignose-mods/context-bar
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Boom-Vitt/boombignose-mods && claude plugin install context-bar@boombignose-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs context-bar for you:
Install the "context-bar" Claude Code mod from https://github.com/Boom-Vitt/boombignose-mods/tree/main/context-bar. Run claude plugin validate on it first and show me what it can access before you enable it.
More from Boom-Vitt/boombignose-mods
This repository has 3 Claude Code mods on MCPMods.
- agents-panel: Side pane listing project, user and plugin agents with a run button each; /agents-panel toggles it. (Low risk)
- pdpa-thai: Helps reduce personal data sent to Claude: redacts detected Thai and international personal data before sending and mask (Low risk)