Summary
box-agent v0.1.0 was classified as CRITICAL RISK with a risk score of 596. Sigil detected 36 findings across 350 files, covering phases including install hooks, network exfiltration, code patterns, provenance. Review the findings below before installing this package.
Package description: Minimal AI agent framework with sandbox execution, tool calling, and MCP support
v0.1.0
23 March 2026, 16:16 UTC
by Sigil Bot
Risk Score
596
Findings
36
Files Scanned
350
Provenance
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
HIGHMakefile/script pipes remote content to shell
box_agent-0.1.0/PKG-INFO:108
# macOS/Linux/WSL
curl -LsSf https://astral.sh/uv/install.sh | sh
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-makefile-curl
HIGHMakefile/script pipes remote content to shell
box_agent-0.1.0/PKG-INFO:182
# macOS/Linux:
curl -LsSf https://astral.sh/uv/install.sh | sh
# Windows (PowerShell):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-makefile-curl
HIGHMakefile/script pipes remote content to shell
box_agent-0.1.0/README.md:69
# macOS/Linux/WSL
curl -LsSf https://astral.sh/uv/install.sh | sh
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-makefile-curl
HIGHMakefile/script pipes remote content to shell
box_agent-0.1.0/README.md:143
# macOS/Linux:
curl -LsSf https://astral.sh/uv/install.sh | sh
# Windows (PowerShell):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-makefile-curl
HIGHMakefile/script pipes remote content to shell
box_agent-0.1.0/box_agent/config/system_prompt.md:58
3. Run scripts: `uv run python script.py`
4. If uv missing: `curl -LsSf https://astral.sh/uv/install.sh | sh`
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-pip-setup-exec
CRITICALsetup.py executes code at install time
box_agent-0.1.0/box_agent/skills/algorithmic-art/templates/generator_template.js:53
function setup() {
createCanvas(800, 800);Why was this flagged?
This setup.py calls subprocess, os.system, exec, or eval during package installation. Legitimate packages rarely need to execute arbitrary commands at install time. This pattern is commonly used by malicious packages to download and run payloads, exfiltrate environment variables, or establish persistence. Rated CRITICAL because it runs with the installer's full permissions.
install-makefile-curl
HIGHMakefile/script pipes remote content to shell
box_agent-0.1.0/box_agent.egg-info/PKG-INFO:108
# macOS/Linux/WSL
curl -LsSf https://astral.sh/uv/install.sh | sh
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-makefile-curl
HIGHMakefile/script pipes remote content to shell
box_agent-0.1.0/box_agent.egg-info/PKG-INFO:182
# macOS/Linux:
curl -LsSf https://astral.sh/uv/install.sh | sh
# Windows (PowerShell):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.
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