What is cost-meter?
cost-meter is a Claude Code mod by zaferayan that what this session has cost so far, live above the prompt. It is listed under Cost & usage and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | zaferayan |
| Repository | zaferayan/claude-cost-meter |
| Popularity | 1 GitHub stars |
| Category | Cost & usage |
| Security | Low risk (100/100) |
| Rank | #2,414 of 5,272 Claude Code mods; #409 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-02 |
| Hooks | 6 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt, Pane |
Is cost-meter safe to install?
cost-meter scores 100/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 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 |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.command.register | |
$.session.surfaces | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install cost-meter?
- 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/zaferayan/claude-cost-meter claude plugin validate ./claude-cost-meter/cost-meter
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add zaferayan/claude-cost-meter && claude plugin install cost-meter@zafer-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs cost-meter for you:
Install the "cost-meter" Claude Code mod from https://github.com/zaferayan/claude-cost-meter/tree/main/cost-meter. Run claude plugin validate on it first and show me what it can access before you enable it.