What is frontier-pacer?
frontier-pacer is a Claude Code mod by n0ah37 that one line above the prompt: context tokens, session cost, active time, a prompt-cache countdown and your plan limits with pace. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | n0ah37 |
| Repository | n0ah37/frontier-pacer |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Review before installing (72/100) |
| Rank | #4,063 of 5,272 Claude Code mods; #777 in Cost & usage |
| Last commit | 2026-10-09 |
| Hooks | 9 events |
| Sees | classic hooks |
| Draws on | AbovePrompt |
Is frontier-pacer safe to install?
frontier-pacer scores 72/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; starts processes outside the sandbox. It passed 5 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 |
|---|---|
| Sends data over the network | Review |
| Starts processes outside the sandbox | Review |
| 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 |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.register | |
$.http.fetch | network requests |
$.process.run | runs processes |
$.session.authorize | reads the transcript |
$.session.id | |
$.session.model | |
$.session.usage | |
$.session.version | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.resolve | draws interface |
How do I install frontier-pacer?
- 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/n0ah37/frontier-pacer claude plugin validate ./frontier-pacer/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/n0ah37/frontier-pacer && claude --plugin-dir ./frontier-pacer/.
Or ask Claude to set it up
Paste this into Claude Code and it installs frontier-pacer for you:
Install the "frontier-pacer" Claude Code mod from https://github.com/n0ah37/frontier-pacer. Run claude plugin validate on it first and show me what it can access before you enable it.