Skills/npm/nacholens

nacholens@0.4.0

VERIFIED· install only

Publisher claims: "See what an AI changed in a backend without reading code: use-case flow animation with a change overlay derived from git diff. Zero dependencies." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher mafianacho · publishing for 10 daysInstalls 842Last detonated 6d ago
$claude mcp add nacholens -- npx -y @mafianacho/nacholens
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Coverage

Nothing executable in the bundle ran; the trace covers the install step only.
Tested
every file read, file written and host contacted by what ran
Not tested
use of the skill by an agent

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario; nothing executable in the bundle ran; the trace covers the install step only) on 2026-11-08 and scored it 83/100 (Verified). In what ran, nothing we could detect went wrong: no undeclared network egress, no credential reads, no persistent instruction writes. What it does with a real credential was not observed; the static findings and the publisher carry the rest of the score. 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
0.0sprocessno install scripts to re-run

Static findings

MEDIUM
npx invocation of non-well-known packageskills/nacholens/SKILL.md:18 · npx invocation of non-well-known package — may execute untrusted code…holens repository. Run it as `node <path>/cli.js <command>`. Without any copy, `npx -y @mafianacho/nacholens@latest <command>` runs the published package (and `… inst…Fix: Pin versions and sources; vendor anything fetched at install time.
AST06
HIGH
Access to sensitive file pathssrc/scan.js:166 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesnew RegExp(`process\\.env\\.(${ENV_NAME})`, "g"), new RegExp(`process\\.env\\[["'](${ENV_NAME})["']\\]`, "g"),Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathssrc/scan.js:168 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesnew RegExp(`os\\.Getenv\\(\\s*"(${ENV_NAME})"`, "g"), new RegExp(`Deno\\.env\\.get\\(\\s*["'](${ENV_NAME})["']`, "g"),Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05

Cost to the agent

Instructions loaded
≈8,419 tok
1 file · 70 in bundle

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

Known vulnerabilities

No advisories in OSV for @mafianacho/nacholens@0.4.0 as of 6d ago. This is the package itself, not its dependencies.