What is parallel-pacer?
parallel-pacer is a Claude Code mod by nakadaharuki that watches this PC's CPU, free memory and parallel chats, holds heavy commands back to one at a time when it is choked, and shows how many more chats fit. English and Japanese. It is listed under Context & memory and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | nakadaharuki |
| Repository | nakadaharuki/parallel-pacer |
| Popularity | no public popularity data yet |
| Category | Context & memory |
| Security | Review before installing (68/100) |
| Rank | #4,070 of 5,272 Claude Code mods; #380 in Context & memory |
| Last commit | 2026-10-06 |
| Hooks | 7 events |
| Sees | Bash calls, PowerShell calls, every prompt |
| Draws on | nothing |
Is parallel-pacer safe to install?
parallel-pacer scores 68/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; watches every prompt or event. It passed 4 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 no files or config | Pass |
| Doesn't read environment variables | Pass |
| Watches every prompt or event | Review |
| Doesn't drive Claude | Pass |
| Validator reported problems | Note |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.command.register | |
$.process.run | runs processes |
$.session.id | |
$.settings.read | reads settings |
$.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.status | draws interface |
$.ui.toast | draws interface |
How do I install parallel-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/nakadaharuki/parallel-pacer claude plugin validate ./parallel-pacer/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add nakadaharuki/parallel-pacer && claude plugin install parallel-pacer@parallel-pacer
Or ask Claude to set it up
Paste this into Claude Code and it installs parallel-pacer for you:
Install the "parallel-pacer" Claude Code mod from https://github.com/nakadaharuki/parallel-pacer. Run claude plugin validate on it first and show me what it can access before you enable it.