What is ssh-guard?
ssh-guard is a Claude Code mod by escapeboy that refuses ssh/scp/rsync to hosts listed in memory decommissioned_hosts.md; "# decommissioned-ok" overrides. It is listed under Security and has 93 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | escapeboy |
| Repository | escapeboy/claude-code-kit |
| Popularity | 93 GitHub stars |
| Category | Security |
| Security | Review before installing (76/100) |
| Rank | #127 of 5,272 Claude Code mods; #34 in Security |
| License | MIT |
| Last commit | 2026-10-09 |
| Hooks | 2 events |
| Sees | Bash calls |
| Draws on | nothing |
Is ssh-guard safe to install?
ssh-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 |
|---|---|
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.read | reads files |
$.process.run | runs processes |
How do I install ssh-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/escapeboy/claude-code-kit claude plugin validate ./claude-code-kit/17-mods/marketplace/mods/ssh-guard
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add escapeboy/claude-code-kit && claude plugin install ssh-guard@ai-prompts-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs ssh-guard for you:
Install the "ssh-guard" Claude Code mod from https://github.com/escapeboy/claude-code-kit/tree/master/17-mods/marketplace/mods/ssh-guard. Run claude plugin validate on it first and show me what it can access before you enable it.
More from escapeboy/claude-code-kit
This repository has at least 9 Claude Code mods on MCPMods.
- aside: /aside : asks a tool-less fork of the session in a pane; nothing enters the main conversation. (Low risk)
- cache-guard: Keeps the prompt cache warm while idle and holds the first prompt after the cache went cold, with its cost. (Low risk)
- ci-watch: /ci-watch : polls gh pr checks every minute in the status line, no tokens. (Low risk)
- cleanup-tracker: Records downloads, installs and started containers; /cleanup-list shows them. (Low risk)
- company-hq: Back office for the /company skill: every /company run is its own company (state file per company, several open at once) (High risk)
- context-meter: Band above the prompt: context fill, cache read, cost, plan limits; warns at 50%/70%; Handoff button and /handoff past 7 (Low risk)
- deploy-verify: After a deploy command, runs 5 post-deploy checks from the project's .claude/deploy-verify.json and tells Claude the res (Review before installing)
- fleet-status: Fleet P1/P2 counts from ~/.continuity/FLEET-STATE.md in the status line; /fleet and /ports commands. (Review before installing)