What is screen-guard?
screen-guard is a Claude Code mod by danyuchn that masks sensitive names, orgs and secrets in the transcript for screen sharing; /mask toggles, click a mask to reveal. It is listed under Security and has 6 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | danyuchn |
| Repository | danyuchn/claude-mods |
| Popularity | 6 GitHub stars |
| Category | Security |
| Security | Review before installing (76/100) |
| Rank | #642 of 5,272 Claude Code mods; #85 in Security |
| License | MIT |
| Last commit | 2026-10-06 |
| Hooks | 5 events |
| Sees | every tool call |
| Draws on | AssistantMessage, UserMessage, ToolUse, ToolResult, ToolGroup |
Is screen-guard safe to install?
screen-guard scores 76/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; reads environment variables. It passed 6 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 |
|---|---|
| Sends data over the network | Review |
| 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 |
|---|---|
$.clock.every | |
$.command.register | |
$.env.get | reads env vars |
$.fs.read | reads files |
$.http.fetch | network requests |
$.session.cwd | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.resolve | draws interface |
$.ui.status | draws interface |
How do I install screen-guard?
- 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/danyuchn/claude-mods claude plugin validate ./claude-mods/screen-guard
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add danyuchn/claude-mods && claude plugin install screen-guard@dustin-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs screen-guard for you:
Install the "screen-guard" Claude Code mod from https://github.com/danyuchn/claude-mods/tree/main/screen-guard. Run claude plugin validate on it first and show me what it can access before you enable it.
More from danyuchn/claude-mods
This repository has 2 Claude Code mods on MCPMods.
- cache-panel: Passive 50-minute prompt-cache reminder with a keyboard/mouse panel: keep warm, ping once, or compact, with live cost es (Review before installing)