Claude Code mod

usage

Live context-window bar in the status line: fill, tokens/window, cache share, auto-compact headroom, cost

Context & usage modsValidates on Claude Code 2.1.316 Source

Install

From source
git clone https://github.com/bitcars/ctx-bar.git
claude --plugin-dir ./ctx-bar/.

The repo has no marketplace file, so load the plugin folder directly with --plugin-dir.

What it can access

Reach
L1Reads: reads files, reads mod state, draws
Sees
compaction
Hooks
session.startturn.stepsession.measureturn.completesession.compactsession.end

From a static scan of the mod's code by awesome-claude-code-mods. It shows what the code asks for, not a security review.

How Claude Code mods work

  • A mod is a plugin with a JavaScript or TypeScript module that runs inside Claude Code (version 2.1.287 or later). It can draw panes beside the transcript, a band above the prompt, buttons and toasts, restyle the spinner and tool rows, and watch or rewrite tool calls and prompts.
  • It installs like any plugin: add its marketplace with /plugin marketplace add owner/repo, then /plugin install name@marketplace.
  • Check what a mod can reach before installing: it runs with your permissions. Reach goes from drawing only, to reading files, to writing files or running processes, to the network. Run claude plugin validate on a clone to list its hooks and calls without running it.
  • Turn one off from the Installed tab in /plugin, or start Claude Code with --safe-mode to skip every customization for a session.
Claude Code docs

Details

Repository
bitcars/ctx-bar
Folder
.
Author
bitcars
Type
Context & usage mods
License
MIT
Last updated
21 October 2026
Listed in
awesome-claude-code-mods

FAQ

What is usage?

Live context-window bar in the status line: fill, tokens/window, cache share, auto-compact headroom, cost It is a mod for Claude Code, from bitcars/ctx-bar on GitHub.

What can the usage mod access?

Its widest reach is "reads" (reads files, reads mod state, draws). It sees compaction. Like any mod, it runs with your permissions.

How do I install usage?

Clone bitcars/ctx-bar and start Claude Code with --plugin-dir pointing at the mod's folder (.).

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