Is virtucraft@0.1.0 safe to install?

virtucraft@0.1.0

VERIFIED

Publisher claims: "Enables agents to manage headless virtual machines and hypervisors, including listing VMs, inspecting VM details, managing snapshots, listing networks, reporting host information, and running sandboxed code through MCP tools." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry GlamaPublisher sandraschi · joined 2 days agoInstalls 0Last detonated 1 h ago

$npx skills add virtucraft

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KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-06 and scored it 82/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 0 s · 2 scenarios · 0 deviations

t+CategoryObserved action

0.0sprocessno install scripts in bundle

0.1sprocessdependency install exit 1

0.2sprocessexec /usr/bin/date

0.2sprocessexec /usr/bin/timeout

0.2sprocessexec .venv/bin/virtucraft-cli

0.2sclaimedno tools/list reply (exit 0)

0.2sprocessscript backend runs setup only

0.2sprocessno install scripts to re-run

Static findings

MEDIUM

Python subprocess execution detectedsrc/virtucraft/hypervisor.py:228 · Python subprocess execution detectedFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.

AST05

MEDIUM

Python subprocess execution detectedsrc/virtucraft/sandbox.py:25 · Python subprocess execution detectedFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.

AST05

MEDIUM

Python subprocess execution detectedsrc/virtucraft/hypervisor.py:60 · Python subprocess execution detectedFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.

AST05

MEDIUM

Python subprocess execution detectedsrc/virtucraft/hypervisor.py:201 · Python subprocess execution detectedFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.

AST05

LOW

HTML comment carrying imperative instructions to the agent.github/ISSUE_TEMPLATE/bug_report.md:21 · HTML comment carrying imperative instructions to the agent · informational: not an instruction fileFix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.

AST01

MEDIUM

Python subprocess execution detectedsrc/virtucraft/hypervisor.py:107 · Python subprocess execution detectedFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.

AST05

LOW

HTML comment carrying imperative instructions to the agent.github/pull_request_template.md:10 · HTML comment carrying imperative instructions to the agent · informational: not an instruction fileFix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.

AST01

MEDIUM

Python subprocess execution detectedsrc/virtucraft/hypervisor.py:160 · Python subprocess execution detectedFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.

AST05

LOW

HTML comment carrying imperative instructions to the agent.github/ISSUE_TEMPLATE/bug_report.md:11 · HTML comment carrying imperative instructions to the agent · informational: not an instruction fileFix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.

AST01

Cost to the agent

Instructions loaded

≈90 tok

2 files · 16 in bundle

Tool list per prompt

≈0 tok

0 tools · 0 per tool

Handshake

no reply

launch to tools/list, stdio

Undocumented tools

description under 20 chars · avg 0

Tokens estimated at four characters each. The tool list is re-read by the agent on every turn, so it is the number to compare between servers that do the same job: ranked across the index.

Known vulnerabilities

Vulnerability advisories (OSV) cover npm and PyPI packages; this registry has no advisory database.