Skills/npm/mcp-builder

mcp-builder@1.0.0

VERIFIED

Publisher claims: "Developer-first toolkit for building production-ready Model Context Protocol servers." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher agent-utils · joined 0 days agoInstalls 404Last detonated 2 h ago
$claude mcp add mcp-builder -- npx -y @agent-utils/mcp-builder
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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 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 · 2 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
1.2sprocessdependency install exit 1
1.5sprocessexec /usr/bin/timeout
1.5sclaimedno tools/list reply (exit 0)
1.5sprocessscript backend runs setup only

Static findings

MEDIUM
File type combined with upload actiondist/cli/index.cjs:123 · File type combined with upload action — agent may exfiltrate local data filesFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
File type combined with upload actiondist/cli/index.js:94 · File type combined with upload action — agent may exfiltrate local data filesFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07