Skills/npm/server-filesystem

server-filesystem@2.2.0

VERIFIED

Publisher claims: "MCP server for filesystem access" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher modelcontextprotocol · joined 10 days agoInstalls 3.2MLast detonated 2 h ago
$claude mcp add server-filesystem -- npx -y @modelcontextprotocol/server-filesystem
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-04 and scored it 80/100 (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 · 3 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
2.4sprocessdependency install exit 1
2.7sprocessexec /usr/bin/timeout
2.7sprocessexited 1: Node.js v22.23.4
2.7sclaimedno tools/list reply (exit 1)
2.7sprocessscript backend runs setup only

Static findings

HIGH
Destructive file system command detecteddist/path-utils.js:60 · Destructive file system command detectedFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
MEDIUM
File permission modification commandpackage.json:25 · File permission modification command — agent changes file ownership/permissionsFix: Request the narrowest permission that works; replace wildcards with the exact paths or hosts.
AST05