What is context-band?
context-band is a Claude Code mod by derek1ee that context-window squares by category above the prompt, with a prompt-cache countdown and an optional keep-warm refresh. Reads the context breakdown, the prompt draft's length and the session. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | derek1ee |
| Repository | derek1ee/claude-context-band |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | High risk (48/100) |
| Rank | #3,025 of 5,272 Claude Code mods; #536 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-13 |
| Hooks | 14 events |
| Sees | classic hooks, every prompt |
| Draws on | AbovePrompt |
Is context-band safe to install?
context-band scores 48/100 on the MCPMods security check: High risk. Things to review: starts processes outside the sandbox; writes files or config; reads environment variables; watches every prompt or event. It passed 3 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 files or config | Review |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| Drives Claude (model calls, prompts) | Note |
| 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 | |
$.config.set | changes config |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.write | writes files |
$.model.fork | drives Claude |
$.process.run | runs processes |
$.prompt.read | |
$.session.cwd | |
$.session.id | |
$.session.root | |
$.session.usage | |
$.settings.read | reads settings |
$.state.get | |
$.state.set | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.keys | keeps its own state |
$.store.set | keeps its own state |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install context-band?
- 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/derek1ee/claude-context-band claude plugin validate ./claude-context-band/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add derek1ee/claude-context-band && claude plugin install context-band@claude-context-band
Or ask Claude to set it up
Paste this into Claude Code and it installs context-band for you:
Install the "context-band" Claude Code mod from https://github.com/derek1ee/claude-context-band. Run claude plugin validate on it first and show me what it can access before you enable it.