What is context-bar?
context-bar is a Claude Code mod by ContextLab that draws the context window as a stacked bar under the prompt, one colour per /context category, with a legend and a compaction mark; /context-bar toggles it. It is listed under Context & memory and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | ContextLab |
| Repository | ContextLab/claude-context-bar |
| Popularity | 1 GitHub stars |
| Category | Context & memory |
| Security | Low risk (96/100) |
| Rank | #1,728 of 5,272 Claude Code mods; #174 in Context & memory |
| Last commit | 2026-10-07 |
| Hooks | 5 events |
| Sees | compaction |
| Draws on | PromptHint |
Is context-bar safe to install?
context-bar scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. 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 |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.command.register | |
$.config.list | |
$.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/ContextLab/claude-context-bar claude plugin validate ./claude-context-bar/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add ContextLab/claude-context-bar && claude plugin install context-bar@claude-context-bar
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/ContextLab/claude-context-bar. Run claude plugin validate on it first and show me what it can access before you enable it.