mcp@0.1.9

VERIFIED

Publisher claims: "MUI MCP Server" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher mui · joined 8 days agoInstalls 57,466Last detonated 4d ago
$claude mcp add mcp -- npx -y @mui/mcp
WatchReport an issue

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-10-30 and scored it 84/100 (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 · 1 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
1.2sprocessdependency install exit 1
1.3sprocessexec /usr/bin/timeout
1.3sprocessexited 1: Node.js v22.23.4
1.3sclaimedno tools/list reply (exit 1)
1.3sprocessscript backend runs setup only

Static findings

HIGH
Instructs the agent to modify its persistent memory or instruction filesCHANGELOG.md:4002 · Instructs the agent to modify its persistent memory or instruction filesFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01
MEDIUM
npx invocation of non-well-known packageversion.js:22 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06