Skills/npm/node-repl-mcp

node-repl-mcp@0.27.0

VERIFIED

Publisher claims: "Standalone MCP server exposing persistent JavaScript (js/js_reset) with the Computer Use runtime." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher qwen-code · joined 4 days agoInstalls 21,757Last detonated 1 h ago
$claude mcp add node-repl-mcp -- npx -y @qwen-code/node-repl-mcp
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-03 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 · 6 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
5.3sprocessdependency install exit 1
5.9sprocessexec /usr/bin/timeout
5.9sprocessexited 1: Node.js v22.23.4
5.9sclaimedno tools/list reply (exit 1)
6.0sprocessscript backend runs setup only

Static findings

HIGH
Access to sensitive file pathsdist/win-path.js:55 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
npx invocation of non-well-known packagedist/desktop-relay/cli.js:65 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06
node-repl-mcp@0.27.0 safety verdict: Verified 84/100 — KillerSkills