What is client-mask?
client-mask is a Claude Code mod by alokm3hta-star that mask client names, personal data and secrets before anything leaves this machine; keep the list private and leave no trace of what was swapped. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | alokm3hta-star |
| Repository | alokm3hta-star/Claude-Mods |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | High risk (52/100) |
| Rank | #2,568 of 5,272 Claude Code mods; #304 in Security |
| License | Apache-2.0 |
| Last commit | 2026-10-09 |
| Hooks | 15 events |
| Sees | every prompt, every skill, every tool call, the system prompt |
| Draws on | AssistantMessage, UserMessage, AbovePrompt, Pane |
Is client-mask safe to install?
client-mask scores 52/100 on the MCPMods security check: High risk. Things to review: starts processes outside the sandbox; writes files or config; reads environment variables; 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 files or config | Review |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| 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 | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.fs.write | writes files |
$.process.run | runs processes |
$.session.id | |
$.session.messages | reads the transcript |
$.state.get | |
$.state.set | |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install client-mask?
- 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/alokm3hta-star/Claude-Mods claude plugin validate ./Claude-Mods/mods/client-mask
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/alokm3hta-star/Claude-Mods && claude --plugin-dir ./Claude-Mods/mods/client-mask
Or ask Claude to set it up
Paste this into Claude Code and it installs client-mask for you:
Install the "client-mask" Claude Code mod from https://github.com/alokm3hta-star/Claude-Mods/tree/main/mods/client-mask. Run claude plugin validate on it first and show me what it can access before you enable it.
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