Is ai-guard-plugins safe to install?

ai-guard-plugins was flagged as CRITICAL RISK (risk score 129) with 20 findings detected across 150 files. Review the findings before installing.

What security issues were found in ai-guard-plugins?

Sigil detected 20 findings in ai-guard-plugins, including patterns related to provenance, install_hooks, code_patterns. See the full scan report for details.

Scans/npm/ai-guard-plugins

ai-guard-plugins

npm

Summary

ai-guard-plugins v1.3.29 was classified as CRITICAL RISK with a risk score of 129. Sigil detected 20 findings across 150 files, covering phases including provenance, install hooks, code patterns. Review the findings below before installing this package.

CRITICAL RISK(129)

v1.3.29

10 April 2026, 17:05 UTC

by Sigil Bot

Risk Score

129

Findings

Files Scanned

150

Provenance

Registry

https://www.npmjs.com/package/ai-guard-plugins/v/1.3.29

Scanned From

https://registry.npmjs.org/ai-guard-plugins/-/ai-guard-plugins-1.3.29.tgz

Findings by Phase

•

Phase Ordering

Phases are ordered by criticality, with the most dangerous at the top. Click any phase header to expand or collapse its findings. Critical phases are expanded by default.

install-makefile-curl

HIGH

Makefile/script pipes remote content to shell

package/.cursor/hooks/ensure-rtk.sh:23

  else
    curl -fsSL https://raw.githubusercontent.com/rtk-ai/rtk/refs/heads/master/install.sh | sh >&2 2>&1
    export PATH="$HOME/.local/bin:$PATH"

Why was this flagged?

A script or Makefile pipes content from a remote URL directly into a shell (curl | sh or wget | bash). This is inherently dangerous because the remote content can change at any time, and the command runs with the current user's permissions. Rated HIGH because it requires manual execution (unlike install hooks) but still executes arbitrary remote code.

install-npm-postinstall

CRITICAL

npm lifecycle script — runs automatically on install

package/package.json:16

    "test:docker": "docker build -f Dockerfile.verify -t ai-guard-plugins-verify:local .",
    "postinstall": "bash install.sh || true",
    "cursor-digest": "node --require ts-node/register .cursor/scripts/cursor-digest-learnings.ts",

Why was this flagged?

npm lifecycle scripts like postinstall run automatically during package installation with no user interaction required. This is the #1 attack vector for malicious npm packages — attackers embed data theft or backdoor installation in these hooks. Rated CRITICAL because code executes before the developer can review it.

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