Is kx-mcp-core@0.5.0 safe to install?

kx-mcp-core@0.5.0

VERIFIED

Publisher claims: "Assembly layer for the kx-mcp composition container (FastMCP 3.x). Eventual home of the deferred auth/authz/identity control plane." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server)Publisher kxsystems · joined 0 days agoInstalls 248Last detonated 4 h ago

$claude mcp add kx-mcp-core -- uvx kx-mcp-core

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KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario) on 2026-11-05 and scored it 91/100 (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 · 0 s · 1 scenarios · 0 deviations

t+CategoryObserved action

0.0sprocessno install scripts in bundle

0.0sprocessscript backend runs setup only

Static findings

MEDIUM

Process kill commandkx_mcp_core/observability/runtime.py:106 · Process kill command — agent can terminate processesFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.

AST05

No other findings across 3,267 lines in 24 files.

Cost to the agent

Instructions loaded

≈69 tok

1 file · 24 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

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