Skills/npm/mcp-server

mcp-server@0.23.0

VERIFIED

Publisher claims: "Last9 MCP Server - Model Context Protocol server implementation for Last9" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher last9 · joined 10 days agoInstalls 1,462Last detonated 2 h ago
$claude mcp add mcp-server -- npx -y @last9/mcp-server
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-05 and scored it 90/100 (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 · 30 s · 2 scenarios · 0 deviations
t+CategoryObserved action
30sprocessexec /usr/bin/tar
30sprocessexec /app/apps/web/node_modules/.bin/gzip
30sprocessexec /root/.cache/node/corepack/v1/pnpm/10.28.0/dist/node-gyp-bin/gzip
30sprocessexec /app/node_modules/.bin/gzip
30sprocessexec /pnpm/gzip
30sprocessexec /usr/local/sbin/gzip
30sprocessexec /usr/local/bin/gzip
30sprocessexec /usr/sbin/gzip
30sprocessexec /usr/bin/gzip
30sprocessexec /app/apps/web/node_modules/.bin/chmod
30sprocessexec /root/.cache/node/corepack/v1/pnpm/10.28.0/dist/node-gyp-bin/chmod
30sprocessexec /app/node_modules/.bin/chmod
30sprocessexec /pnpm/chmod
30sprocessexec /usr/local/sbin/chmod
30sprocessexec /usr/local/bin/chmod
30sprocessexec /usr/sbin/chmod
30sprocessexec /usr/bin/chmod
30sprocessexec /usr/bin/date
30sprocessexec /usr/bin/timeout
30sprocessexec /tmp/ks-detonate-TEqxPw/task/home/work/acme-api/.claude/skills/mcp-server/dist/last9-mcp-server
30sclaimedno tools/list reply (exit 0)
30sprocessscript backend runs setup only

Static findings

LOW
Authorization escalation languageREADME.md:82 · Authorization escalation language · informational: not an instruction fileFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01

No other findings across 1,598 lines in 6 files.

Cost to the agent

Instructions loaded
≈55 tok
1 file · 6 in bundle
Tool list per prompt
≈0 tok
0 tools · 0 per tool
Handshake
no reply
launch to tools/list, stdio
Undocumented tools
0
description under 20 chars · avg 0

Tokens estimated at four characters each. The tool list is re-read by the agent on every turn, so it is the number to compare between servers that do the same job: ranked across the index.

Known vulnerabilities

Not checked against OSV yet; the weekly check has not reached this version.

mcp-server@0.23.0 safety verdict: Verified 90/100 — KillerSkills