What is mem-guard?
mem-guard is a Claude Code mod by schreibse that bash memory rules: Node commands run in claude-cmd.slice, and runs that would starve the machine are refused. It is listed under Security and has 3 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | schreibse |
| Repository | schreibse/claude-code-mods |
| Popularity | 3 GitHub stars |
| Category | Security |
| Security | Review before installing (76/100) |
| Rank | #966 of 5,272 Claude Code mods; #112 in Security |
| License | MIT |
| Last commit | 2026-10-18 |
| Stars this week | +1 |
| Hooks | 2 events |
| Sees | Bash calls |
| Draws on | nothing |
Is mem-guard safe to install?
mem-guard scores 76/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; 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 |
|---|---|
| No network access | Pass |
| Starts processes outside the sandbox | Review |
| 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 |
|---|---|
$.agent.list | |
$.env.get | reads env vars |
$.fs.read | reads files |
$.process.run | runs processes |
$.session.cwd |
How do I install mem-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/schreibse/claude-code-mods claude plugin validate ./claude-code-mods/mem-guard
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add schreibse/claude-code-mods && claude plugin install mem-guard@schreibse-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs mem-guard for you:
Install the "mem-guard" Claude Code mod from https://github.com/schreibse/claude-code-mods/tree/main/mem-guard. Run claude plugin validate on it first and show me what it can access before you enable it.
More from schreibse/claude-code-mods
This repository has at least 9 Claude Code mods on MCPMods.
- coderabbit-band: A band above the prompt with the open CodeRabbit threads and nitpicks of the branch's MR (Low risk)
- handover: The handover sentence for a cold session, one per session: a band above the prompt, /handover-copy to copy it, after /cl (Review before installing)
- mr-banner: A colored card with a link under each MR/PR created, merged, approved or reviewed (Low risk)
- quiet-bash: One-line tool rows, tool output hidden, inline PNG thumbnails; /quiet shows everything, /thumb shows a PNG (Review before installing)
- quiet-spinner: Plain words for the turn spinner and the turn-duration line (Low risk)
- redact: Secrets found by betterleaks reach the model as ‹secret:…› tokens; Write/Edit restore them, other tools refuse them (Review before installing)
- reminder-log: Tallies the reminders Claude Code injects for the model, per session; drops the token counter and repeated attribution b (Low risk)
- repo-line: A line right above the prompt with the repository's name as a badge in the repository's own colour, the branch and the w (Low risk)