Grades are a hygiene check, not a security guarantee.

Claude Code, Skill

Next Level Agent

Core skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques

Compatibility: Not stated.

Grade D

Two or more Medium findings, or a High. Only try it in a sandbox.

Graded by PlugVetRubric v2

Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.

PERMISSION_SHELL_UNDECLARED SECRETS_PATH_CREDENTIAL

Why this grade

  • PERMISSION_SHELL_UNDECLARED Medium

    Runs shell commands that the manifest or description does not mention.

    network-broker/main.go, line 240 if out, err := exec.Command("ip", "netns", "list").Output(); err == nil {

  • SECRETS_PATH_CREDENTIAL Medium

    Mentions a credential store path (~/.ssh, id_rsa, .npmrc, .aws/credentials, credentials.json, .netrc).

    TECHNICAL_SPECIFICATION.md, line 912 `.env.*` + `*/.env.*`, `id_rsa*` + `*/id_rsa*`, `id_ed25519*` + `*/id_ed25519*`, `.npmrc` +

Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.

If you think this grade is wrong, email [email protected] with the entry link and your evidence. We aim to acknowledge within two working days and decide within seven. If we confirm an error, we aim to correct it within 24 hours of confirming it. These are aims, not guarantees.

Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.

What was checked

Plain notes from the hygiene checks.

  • Permissions

    Concern

    requests shell access. No manifest field names shell or command execution. can delete files.

    PERMISSION_SHELL_UNDECLARED PERMISSION_DELETE_FILES

    network-broker/main.go, line 240

    if out, err := exec.Command("ip", "netns", "list").Output(); err == nil {

    network-broker/main.go, line 248

    if out, err := exec.Command("ip", "-br", "link").Output(); err == nil {

    network-broker/main.go, line 256

    if out, err := exec.Command("nft", "-a", "list", "chain", "ip", "filter", "INPUT").Output(); err == nil {

    Show more

    network-broker/main.go, line 502

    cmd := exec.Command("ip", append(setpriv, command...)...)

    network-broker/main.go, line 1450

    out, err := exec.Command("nft", "-a", "list", "chain", "ip", "filter", "INPUT").Output()

    network-broker/main.go, line 1470

    out, err := exec.Command("nft", "-a", "list", "chain", "ip", "filter", "INPUT").Output()

    network-broker/main.go, line 1491

    out, err := exec.Command("ip", "netns", "list").Output()

    network-broker/main.go, line 1515

    out, err := exec.Command("ip", "-br", "link", "show", "dev", name).CombinedOutput()

  • Install and update

    Pass

    No install-time script found, and dependencies are pinned or absent.

  • Network

    Concern

    can reach a host that is not written as a fixed address.

    NETWORK_NO_FIXED_HOST

    skills/brainstorming/scripts/helper.js, line 80

    ws = new WebSocket(websocketUrl());

    NLA_BROWSER_NETWORK_ENFORCEMENT_DESIGN.md, line 11

    decision. `route.fetch({maxRedirects: 0})` exposes the redirect before

    NLA_BROWSER_NETWORK_ENFORCEMENT_DESIGN.md, line 53

    * `route.fetch({maxRedirects: 0})` can inspect the redirect but

    Show more

    docs/plans/2026-01-17-visual-brainstorming.md, line 157

    ws = new WebSocket(WS_URL);

    docs/plans/2026-01-17-visual-brainstorming.md, line 307

    async function fetch(url) {

    docs/plans/2026-01-17-visual-brainstorming.md, line 340

    const res = await fetch(`http://localhost:${TEST_PORT}/`);

    docs/plans/2026-01-17-visual-brainstorming.md, line 349

    const ws = new WebSocket(`ws://localhost:${TEST_PORT}`);

    docs/plans/2026-01-17-visual-brainstorming.md, line 362

    const ws2 = new WebSocket(`ws://localhost:${TEST_PORT}`);

    docs/superpowers/plans/2026-02-19-visual-brainstorming-refactor.md, line 106

    const ws3 = new WebSocket(`ws://localhost:${TEST_PORT}`);

    docs/superpowers/plans/2026-06-10-visual-companion-auth-hardening.md, line 443

    const res = await fetch(`http://localhost:${TEST_PORT}/files/linked-server-info.txt`);

    docs/superpowers/plans/2026-06-11-visual-companion-final-hardening-fixup.md, line 218

    const res = await fetch(`http://localhost:${TEST_PORT}/`);

    docs/superpowers/plans/2026-06-11-visual-companion-final-hardening-fixup.md, line 241

    const res = await fetch(`http://localhost:${TEST_PORT}/`);

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_ENV_READ SECRETS_PATH_CREDENTIAL SECRETS_PATH_DOTENV

    integrations/mem0-service/app.py, line 15

    LLM_API_KEY = os.environ.get("MEM0_LLM_API_KEY")

    skills/brainstorming/scripts/server.cjs, line 123

    const TOKEN_FILE = process.env.BRAINSTORM_TOKEN_FILE || null;

    TECHNICAL_SPECIFICATION.md, line 912

    `.env.*` + `*/.env.*`, `id_rsa*` + `*/id_rsa*`, `id_ed25519*` + `*/id_ed25519*`, `.npmrc` +

    Show more

    skills/brainstorming/scripts/server.cjs, line 133

    if (process.env.BRAINSTORM_TOKEN) {

    skills/brainstorming/scripts/server.cjs, line 134

    return { value: process.env.BRAINSTORM_TOKEN, source: 'env' };

    .gitignore, line 28

    integrations/mem0-service/.env

    .gitignore, line 29

    integrations/mem0-service/.env.*

    TECHNICAL_SPECIFICATION.md, line 911

    - baseline secret globs include `*.env`, `*.env.*`, and root+nested pairs: `.env` + `*/.env`,

    TECHNICAL_SPECIFICATION.md, line 913

    `*/.npmrc`, `.pypirc` + `*/.pypirc`, `credentials.json` + `*/credentials.json`, as well as

    TECHNICAL_SPECIFICATION.md, line 915

    forbidden to all roles; `.env.example`/`.env.sample` are explicitly allowed;

    TECHNICAL_SPECIFICATION.md, line 1001

    *.env ASK_SECRET

    TECHNICAL_SPECIFICATION.md, line 1002

    *.env.* ASK_SECRET

  • Agent instructions

    Pass

    No instruction to ignore earlier instructions or to hide a step.

  • Obfuscation

    Pass

    No encoded or minified payload found.

  • Licence

    Pass

    A licence file is present (LICENSE).

  • Maintainer activity

    Pass

    The latest commit is within the last 365 days.

Note

Hygiene check of commit 3a854593d0bf. requests shell access. No manifest field names shell or command execution. can delete files. can reach a host that is not written as a fixed address. reads a credential or environment file.

Date and source

Date checked:

View source

github.com

Commit graded: 3a854593d0bfe953e293a3f83d14ebb60f196d9c

This link goes to the original host. PlugVet does not host or check what you download from there, and installing it is your own decision and risk.

Read how this letter is chosen