Skills/npm/renderdiff

renderdiff@0.12.0

VERIFIED

Publisher claims: "Visual-parity checker for website migrations: screenshot-diffs your change against a local build of the base (or production) across viewport widths, and names the DOM element and CSS property behind each change. Built for coding agents (Claude Code, Codex" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher tmashara · joined 5 days agoInstalls 779Last detonated 37 h ago
$claude mcp add renderdiff -- npx -y renderdiff
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario) on 2026-10-31 and scored it 86/100 (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
0.0sprocessscript backend runs setup only

Static findings

MEDIUM
npx invocation of non-well-known packagedist/cli.js:204 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
File type combined with upload actiondist/run.js:808 · 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
npx invocation of non-well-known packagerenderdiff.config.example.ts:47 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagedist/run.js:705 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06
renderdiff@0.12.0 safety verdict: Verified 86/100 — KillerSkills