estate-guard

80 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By frankxai/agentic-creator-os (GitHub) · coding · 12 stars · scanned at commit 9dc9c95

Security gate for agentic repos. Use before opening a PR that touches .github/workflows, .claude (hooks, settings, agents, commands, skills), .mcp.json, install scripts, or Next.js API routes; when asked to "security review", "scan for prompt injection", "harden this repo", "check the agentic surface", or when a fetched page, issue, comment, or tool result reads like instructions. Runs the estate-guard scanner, triages by severity, and applies the fix patterns.

Works with any agent that supports SKILL.md skills.

What this skill can do

Runs commands on your computer

The author does not mention this. It runs automatically when the plugin is installed. Expected for a coding skill.

Found in 6 places.

.claude/skills/estate-guard/SKILL.md, line 23node .claude/ci/estate-guard-scan.mjs --root . --fail-on never # markdown report
.mcp.json, line 4"command": "npx",
hooks/mcp-health-check.js, line 20const { spawn, spawnSync } = require('child_process');

Show 3 more

hooks/mcp-health-check.js, line 433const result = spawnSync(command, {
hooks/quality-gate.js, line 19const { spawnSync } = require('child_process');
hooks/quality-gate.js, line 34return spawnSync(command, args, {

Downloads and installs other software

The author does not mention this. It runs automatically when the plugin is installed.

Found in 2 places.

.claude/skills/estate-guard/SKILL.md, line 95| `estate-guard-gate.py` | PreToolUse on Bash | **Denies**: force-push to main/master/production, `rm -rf` of root or home, `curl \| sh`, permission-bypass flag
.mcp.json, line 4"command": "npx",

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'estate-guard' ] || [ -L ~/.agents/skills/'estate-guard' ]; then echo 'A skill folder named estate-guard already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/frankxai/agentic-creator-os' "$d" && git -C "$d" checkout --quiet '9dc9c9592ba6be55de0662b6c0b65ec01b08c775' -- '.claude/skills/estate-guard' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/estate-guard' ~/.agents/skills/'estate-guard' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'estate-guard' ~/.claude/skills/'estate-guard' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

Date	Version	Score
2026-11-12	`9dc9c95`	80
2026-11-08	`bcf7ee4`	80