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@nerdev/skillset@0.2.6: Suspicious npm security report (Warn) | LPM Firewall

registry / @nerdev/skillset / 0.2.6

@nerdev/skillset@0.2.6

A curated, auto-synced collection of agent skills (design, animation, dev workflow) with a CLI to install them into any harness: Claude Code, OpenCode, Cursor, Codex, Gemini.

AI Security Review

scanned 10d ago · by lpm-firewall-ai

No attack surface was identified. Package behavior is activated by explicit command-line use, not installation or import.

Static reason

High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review; source fingerprint signature matched known malicious package; routed for review

Trigger

A user explicitly runs the skillset command, including its install or sync subcommands.

Impact

No unconsented credential collection, payload execution, persistence, or automatic foreign control-surface mutation was found.

Mechanism

The install command copies packaged skill directories; the sync command queries configured GitHub repositories. The bundled browser asset can fetch a caller-provided resource when used by host code.

AI rationale

Static inspection found no lifecycle hook or active malicious behavior. The only network operation is an explicit sync action, and the bundled browser fetch helper is not a package entry point.

Network endpoints1

github.com/${repo}.git

Decision evidence

public snapshot

AI called this Clean at 93.0% confidence as Benign with low false-positive risk.

Why the final policy warns

The AI recommended clean. Static policy retained a warning. The static scanner classified the package as malicious with confidence of at least 85%. A critical static finding has confidence of at least 90%. These conditions do not mean that the AI confirmed malicious behavior.

Source & flagged code

11 flagged · loading source

package.jsonView file

•scripts.install = node bin/skillset.mjs install

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.install = node bin/skillset.mjs install

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg

skills/ui/impeccable/scripts/live-browser.jsView file

5280const url = bust ? candidate + (candidate.includes('?') ? '&' : '?') + 't=' + Date.now() : candidate; L5281: const mod = await import(/* @vite-ignore */ url); L5282: return { mod, url: candidate };

Medium

Dynamic Require

Package source references dynamic require/import behavior.

skills/ui/impeccable/scripts/live-browser.jsView on unpkg · L5280

bin/skillset.mjsView file

13import { execSync } from "node:child_process"; L14: import { cpSync, existsSync, mkdirSync, readFileSync, readdirSync, rmSync } from "node:fs"; L15: import { homedir } from "node:os"; ... L22: const HARNESSES = { L23: claude: { global: join(homedir(), ".claude", "skills"), project: ".claude/skills" }, L24: opencode: { global: join(homedir(), ".config", "opencode", "skills"), project: ".opencode/skills" }, L25: cursor: { global: join(homedir(), ".cursor", "skills"), project: ".cursor/skills" }, L26: codex: { global: join(homedir(), ".agents", "skills"), project: ".agents/skills" }, L27: gemini: { global: join(homedir(), ".gemini", "skills"), project: ".gemini/skills" }, ... L150: } L151: mkdirSync(destBase, { recursive: true }); L152: cpSync(join(SKILLS_DIR, skill), dest, { recursive:

Critical

Ai Agent Control Hijack

Source creates an unconsented AI-agent control surface through install-time mutation or a default unauthenticated remote skill channel.

bin/skillset.mjsView on unpkg · L13

•Runtime or CLI code links a write operation to an explicit external AI-agent control path: #!/usr/bin/env node import { execsync } from "node:child_process"; import { cpsync, existssync, mkdirsync, readfilesync, readdirsync, rmsync } from "node:fs"; import { homedir } from "node:os"; import { dirname, join, resolve } from "node:path"; import { fi

High

External Ai Agent Control Surface Mutation

Runtime or CLI source writes behavior-bearing configuration into a user or project AI-agent control surface.

bin/skillset.mjs

scripts/ste-lint.pyView file

•path = scripts/ste-lint.py kind = build_helper sizeBytes = 9763 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

scripts/ste-lint.pyView on unpkg

skills/ui/impeccable/scripts/modern-screenshot.umd.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 1

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

skills/ui/impeccable/scripts/modern-screenshot.umd.js#virtual:normalized:round1View on unpkg

scripts/sync.mjsView file

•matchType = normalized_sha256 matchedPackage = @nerdev/skillset@0.2.3 matchedPath = scripts/sync.mjs matchedIdentity = npm:QG5lcmRldi9za2lsbHNldA:0.2.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

scripts/sync.mjsView on unpkg

•matchType = malicious_source_fingerprint_signature signature = fbc3d753114a5870 signatureType = suspicious_hashes sourceLabel = final_verdict:malicious matchedPackage = @nerdev/skillset@0.2.3 matchedPath = scripts/sync.mjs matchedIdentity = npm:QG5lcmRldi9za2lsbHNldA:0.2.3 similarity = 1.000 shingleOverlap = 5 summary = package final verdict is malicious

High

Known Malware Source Fingerprint Signature

Source fingerprint signature matches a known malicious package signature; route for source-aware review.

scripts/sync.mjsView on unpkg

Source & flagged code

11 flagged

package.jsonView file

Lines 1-40json

1{

2 "name": "@nerdev/skillset",

3 "version": "0.2.6",

4 "description": "A curated, auto-synced collection of agent skills (design, animation, dev workflow) with a CLI to install them into any harness: Claude Code, OpenCode, Cursor, Codex, Gemini.",

5 "type": "module",

6 "bin": {

7 "skillset": "bin/skillset.mjs"

8 },

9 "files": [

10 "bin",

11 "scripts",

12 "skills",

13 "curations",

14 "vendor.json",

15 "!skills/business/brag/assets/music/*.mp3"

16 ],

17 "scripts": {

18 "sync": "node scripts/sync.mjs",

19 "list": "node bin/skillset.mjs list",

20 "install": "node bin/skillset.mjs install",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L20

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg · L20

21 "lint:ste": "node scripts/ste-gate.mjs"

22 },

23 "keywords": [

24 "agent",

25 "skills",

26 "claude",

27 "opencode",

28 "cursor",

29 "codex",

30 "design",

31 "ai"

32 ],

33 "license": "MIT",

34 "repository": {

35 "type": "git",

36 "url": "git+https://github.com/NalinDalal/skillset.git"

37 },

38 "publishConfig": {

39 "access": "public"

40 },

skills/ui/impeccable/scripts/live-browser.jsView file

5280const url = bust ? candidate + (candidate.includes('?') ? '&' : '?') + 't=' + Date.now() : candidate; L5281: const mod = await import(/* @vite-ignore */ url); L5282: return { mod, url: candidate };

Medium

Dynamic Require

Package source references dynamic require/import behavior.

skills/ui/impeccable/scripts/live-browser.jsView on unpkg · L5280

bin/skillset.mjsView file

Lines 1-33javascript

1#!/usr/bin/env node

2/**

3 * skillset: install, list, and sync agent skills from this repo.

4 *

5 * skillset list list available skills

6 * skillset install [--skill <name>]... install into agent harnesses

7 * --target claude,opencode,cursor,codex,gemini (default: all detected)

8 * --scope global|project (default: global)

9 * --dry-run

10 * skillset sync [--dry-run] re-vendor from upstream repos

scripts/ste-lint.pyView file

•path = scripts/ste-lint.py kind = build_helper sizeBytes = 9763 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

scripts/ste-lint.pyView on unpkg

skills/ui/impeccable/scripts/modern-screenshot.umd.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 1

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

skills/ui/impeccable/scripts/modern-screenshot.umd.js#virtual:normalized:round1View on unpkg

scripts/sync.mjsView file

•matchType = normalized_sha256 matchedPackage = @nerdev/skillset@0.2.3 matchedPath = scripts/sync.mjs matchedIdentity = npm:QG5lcmRldi9za2lsbHNldA:0.2.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

scripts/sync.mjsView on unpkg

•matchType = malicious_source_fingerprint_signature signature = fbc3d753114a5870 signatureType = suspicious_hashes sourceLabel = final_verdict:malicious matchedPackage = @nerdev/skillset@0.2.3 matchedPath = scripts/sync.mjs matchedIdentity = npm:QG5lcmRldi9za2lsbHNldA:0.2.3 similarity = 1.000 shingleOverlap = 5 summary = package final verdict is malicious

High

Known Malware Source Fingerprint Signature

Source fingerprint signature matches a known malicious package signature; route for source-aware review.

scripts/sync.mjsView on unpkg