What is run-cat?
run-cat is a Claude Code mod by haruki-cl that claude が考えている間、CLI のプロンプト下のヒント行で AA の猫が走る(端末だけで描く). It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | haruki-cl |
| Repository | haruki-cl/claude-code-mods |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Low risk (100/100) |
| Rank | #3,344 of 5,272 Claude Code mods; #1,384 in Interface |
| License | MIT |
| Last commit | 2026-10-12 |
| Hooks | 3 events |
| Sees | only the events it hooks |
| Draws on | PromptHint |
Is run-cat safe to install?
run-cat 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 |
|---|---|
$.clock.every | |
$.state.get | |
$.state.set |
How do I install run-cat?
- 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/haruki-cl/claude-code-mods claude plugin validate ./claude-code-mods/run-cat
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add haruki-cl/claude-code-mods && claude plugin install run-cat@claude-code-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs run-cat for you:
Install the "run-cat" Claude Code mod from https://github.com/haruki-cl/claude-code-mods/tree/main/run-cat. Run claude plugin validate on it first and show me what it can access before you enable it.
More from haruki-cl/claude-code-mods
This repository has 2 Claude Code mods on MCPMods.
- token-weather: コンテキストの使用状況を天気で、このセッションが読んだ auto-memory を一覧で、右のペインに示す。カードを押すと内訳・残り時間・索引の項目が開く (Low risk)