What is cc-mod-ferro?
cc-mod-ferro is a Claude Code mod by Vatroslav that ferro (a Norwich Terrier) runs across a pixel-art meadow in a band above the prompt while Claude works on a long turn; now and then she stops to sit, sniff, drink or poop, she runs past. It is listed under While you wait and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | Vatroslav |
| Repository | Vatroslav/cc-mod-ferro |
| Popularity | no public popularity data yet |
| Category | While you wait |
| Security | Low risk (96/100) |
| Rank | #4,988 of 5,272 Claude Code mods; #148 in While you wait |
| Last commit | 2026-10-16 |
| Hooks | 3 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt |
Is cc-mod-ferro safe to install?
cc-mod-ferro scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. 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 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 | |
$.state.get | |
$.state.set | |
$.ui.resolve | draws interface |
How do I install cc-mod-ferro?
- 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/Vatroslav/cc-mod-ferro claude plugin validate ./cc-mod-ferro/plugin
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Vatroslav/cc-mod-ferro && claude plugin install cc-mod-ferro@cc-mod-ferro
Or ask Claude to set it up
Paste this into Claude Code and it installs cc-mod-ferro for you:
Install the "cc-mod-ferro" Claude Code mod from https://github.com/Vatroslav/cc-mod-ferro/tree/main/plugin. Run claude plugin validate on it first and show me what it can access before you enable it.