Is plugin-mcp-server@7.9.0 safe to install?

Skills/npm/plugin-mcp-server

plugin-mcp-server@7.9.0

VERIFIED

Publisher claims: "MCP Runtime Server Plugin for ObjectStack — exposes AI tools, data resources, and agent prompts via the Model Context Protocol" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher objectstack · joined 8 days agoInstalls 67Last detonated 2 h ago

$claude mcp add plugin-mcp-server -- npx -y @objectstack/plugin-mcp-server

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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario) on 2026-11-04 and scored it 88/100 (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 · 1 scenarios · 0 deviations

t+CategoryObserved action

0.0sprocessno install scripts in bundle

0.0sprocessscript backend runs setup only

Static findings

MEDIUM

MCP server using network transport (SSE/HTTP)dist/index.d.ts:33 · MCP server using network transport (SSE/HTTP) — data sent over networkFix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.

AST04

No other findings across 1,795 lines in 7 files.