Skills/npm/functype-mcp-server

functype-mcp-server@1.24.1

VERIFIED

Publisher claims: "MCP server for functype documentation lookup and TypeScript code validation" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher jordanburke · joined 10 days agoInstalls 2,671Last detonated 1 h ago
$claude mcp add functype-mcp-server -- npx -y functype-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 85/100 (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 · 1 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.6sprocessdependency install exit 1
0.6sprocessexec /usr/bin/date
0.6sprocessexec /usr/bin/timeout
0.6sclaimedno tools/list reply (exit 0)
0.6sprocessscript backend runs setup only

Static findings

No findings across 686 lines in 8 files.

Cost to the agent

Instructions loaded
≈59 tok
1 file · 8 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.