MCP, MCP server
Build World
Build playable 3D games with AI-generated assets.
Compatibility: Not stated.
Grade D
Two or more Medium findings, or a High finding. Only try it in a sandbox.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit aad00ff99d57.
INSTALL_REMOTE_SCRIPT
Why this grade
- INSTALL_REMOTE_SCRIPT High
Fetches a script from the network and runs it (a pipe to a shell, or an install hook with a URL).
skills/build-world/SetupAndInstallationFlow.md, line 158
curl -LsSf https://astral.sh/uv/install.sh | sh # macOS / Linux
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
If you think this grade is wrong, email [email protected] with the entry link and your evidence. We aim to acknowledge within two working days and decide within seven. If we confirm an error, we aim to correct it within 24 hours of confirming it. These are aims, not guarantees.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Pass
No shell or command execution found, and no extra permission was declared.
Install and update
Serious
install fetches a script from the network. The docs document an installer that pipes a download into a shell.
INSTALL_REMOTE_SCRIPT INSTALL_DOCUMENTED_INSTALLER
skills/build-world/SetupAndInstallationFlow.md, line 158
curl -LsSf https://astral.sh/uv/install.sh | sh # macOS / Linux
skills/build-world/engines/roblox/setup.md, line 28
curl -sSf https://raw.githubusercontent.com/rojo-rbx/rokit/main/scripts/install.sh | bash
skills/build-world/engines/threejs/setup.md, line 8
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.6/install.sh | bash
Show more
skills/build-world/engines/threejs/setup.md, line 18
curl -o- https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh | bash
README.md, line 44
curl -fsSL https://claude.ai/install.sh | bash # the agent that writes your game
README.md, line 45
curl -LsSf https://astral.sh/uv/install.sh | sh # runs the Thrixel connector
Network
Concern
can reach a host that is not written as a fixed address. can reach api.github.com. The description does not name that host.
NETWORK_NO_FIXED_HOST NETWORK_UNNAMED_HOST
skills/build-world/SKILL.md, line 61
curl -sL --max-time 5 https://api.github.com/repos/thrixel/build-world/commits/main
skills/build-world/engines/roblox/tools/roblox_helpers.py, line 208
with urllib.request.urlopen(req, context=_SSL, timeout=180) as r:
skills/build-world/engines/threejs/tools/lib/harness.mjs, line 29
const s = net.connect({ port, host }, () => (s.destroy(), res(true)));
Show more
skills/build-world/engines/unity/setup.md, line 7
curl -fsSL https://public-cdn.cloud.unity3d.com/hub/prod/cli/install.sh | UNITY_CLI_CHANNEL=beta bash
skills/build-world/engines/unreal/tools/uemcp.py, line 49
resp = urllib.request.urlopen(req, timeout=TIMEOUT)
skills/build-world/engines/unreal/tools/uemcp.py, line 91
urllib.request.urlopen(req, timeout=TIMEOUT).read()
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
skills/build-world/SKILL.md, line 1173
1. **Secrets.** This is the one that actually happens, and it is silent. A `.env`
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit aad00ff99d57. install fetches a script from the network. can reach a host that is not written as a fixed address. can reach api.github.com. The description does not name that host. reads a credential or environment file.
Date and source
Date checked:
github.com
Commit graded: aad00ff99d570b3d4225a0c7a05c9cc2745b0215
This link goes to the original host. PlugVet does not host or check what you download from there, and installing it is your own decision and risk.