What is oxen-meter?
oxen-meter is a Claude Code mod by thanhnhoncntt that measures the prompt cache for a team, in Claude Code and, with its command-line companion, Codex CLI and Devin CLI: hit rate per session, subagent and model, a warning before a cold resume. It is listed under Cost & usage and has 2 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | thanhnhoncntt |
| Repository | thanhnhoncntt/oxen-pet |
| Popularity | 2 GitHub stars |
| Category | Cost & usage |
| Security | Low risk (88/100) |
| Rank | #1,405 of 5,272 Claude Code mods; #256 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-06 |
| Hooks | 14 events |
| Sees | Agent calls, Bash calls, classic hooks, compaction |
| Draws on | Pane |
Is oxen-meter safe to install?
oxen-meter scores 88/100 on the MCPMods security check: Low risk. Things to review: writes files or config. 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 files or config | Review |
| 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 |
|---|---|
$.agent.list | |
$.clock.every | |
$.clock.now | |
$.command.register | |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.fs.write | writes files |
$.session.id | |
$.session.root | |
$.session.usage | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.ask | draws interface |
$.ui.close | draws interface |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.panes | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install oxen-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/thanhnhoncntt/oxen-pet claude plugin validate ./oxen-pet/plugins/oxen-meter
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add thanhnhoncntt/oxen-pet && claude plugin install oxen-meter@oxen-pet
Or ask Claude to set it up
Paste this into Claude Code and it installs oxen-meter for you:
Install the "oxen-meter" Claude Code mod from https://github.com/thanhnhoncntt/oxen-pet/tree/main/plugins/oxen-meter. Run claude plugin validate on it first and show me what it can access before you enable it.
More from thanhnhoncntt/oxen-pet
This repository has 2 Claude Code mods on MCPMods.
- oxen-pet: A pixel Luffy above the Claude Code prompt who acts out each tool call in five gears, an HP/MP/ST HUD for context, rate (Low risk)