mcpbr@0.14.0
VERIFIEDPublisher claims: "Model Context Protocol Benchmark Runner - CLI tool for evaluating MCP servers" Observed in sandbox: no network, touches nothing outside the project, writes no memory.
Registry npm (MCP server)Publisher greynewell · joined 1 days agoInstalls 333Last detonated 29 h ago
Is [email protected] safe to install?
KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-02 and scored it 86/100 (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 · 2 s · 2 scenarios · 0 deviationst+CategoryObserved action
0.0sprocessno install scripts in bundle
2.0sprocessdependency install exit 1
2.2sprocessexec /usr/bin/timeout
2.2sprocessexited 1: Node.js v22.23.4
2.2sclaimedno tools/list reply (exit 1)
2.2sprocessscript backend runs setup only
Static findings
HIGH
Privileged sudo commandbin/mcpbr.js:84 · Privileged sudo command — agent may execute with elevated privilegesFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05HIGH
Privileged sudo commandbin/mcpbr.js:110 · Privileged sudo command — agent may execute with elevated privilegesFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05MEDIUM
npx invocation of non-well-known packagebin/mcpbr.js:6 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06