What is quarantine?
quarantine is a Claude Code mod by ccdwyer that wraps web, MCP and third-party tool output as untrusted data and defangs prompt-injection lines before the model reads them. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | ccdwyer |
| Repository | ccdwyer/quarantine |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Low risk (88/100) |
| Rank | #2,859 of 5,272 Claude Code mods; #1,188 in Interface |
| License | MIT |
| Last commit | 2026-10-02 |
| Hooks | 4 events |
| Sees | every tool call |
| Draws on | nothing |
Is quarantine safe to install?
quarantine scores 88/100 on the MCPMods security check: Low risk. Things to review: reads environment variables. 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 |
| Reads environment variables | Review |
| 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 |
|---|---|
$.command.register | |
$.env.get | reads env vars |
$.session.cwd | |
$.state.get | |
$.state.set | |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install quarantine?
- 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/ccdwyer/quarantine claude plugin validate ./quarantine/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/ccdwyer/quarantine && claude --plugin-dir ./quarantine/.
Or ask Claude to set it up
Paste this into Claude Code and it installs quarantine for you:
Install the "quarantine" Claude Code mod from https://github.com/ccdwyer/quarantine. Run claude plugin validate on it first and show me what it can access before you enable it.