What is cost-band?
cost-band is a Claude Code mod by mategog that a band above the prompt showing the last turn's and the session's list-price cost estimate. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | mategog |
| Repository | mategog/mateai-mods |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Low risk (96/100) |
| Rank | #3,923 of 5,272 Claude Code mods; #738 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-14 |
| Hooks | 2 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt |
Is cost-band safe to install?
cost-band 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 |
| Validator reported problems | Note |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.session.usage | |
$.state.get | |
$.state.set | |
$.ui.resolve | draws interface |
How do I install cost-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/mategog/mateai-mods claude plugin validate ./mateai-mods/plugins/cost-band
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add mategog/mateai-mods && claude plugin install cost-band@mateai-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs cost-band for you:
Install the "cost-band" Claude Code mod from https://github.com/mategog/mateai-mods/tree/main/plugins/cost-band. Run claude plugin validate on it first and show me what it can access before you enable it.