Grades are a hygiene check, not a security guarantee.

MCP, MCP server

io.github.0xsims/rubric-protocol

AI compliance attestation for Claude Desktop, Cursor, Windsurf, and any MCP-compatible host.

Compatibility: Not stated.

Grade B

Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.

Graded by PlugVetRubric v2

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

Rescanned at commit 7f0de324b4b8, unchanged since the check below.

NETWORK_NO_FIXED_HOST SECRETS_ENV_READ

Why this grade

  • NETWORK_NO_FIXED_HOST Low

    Makes a network call whose host is not written as a fixed address.

    shipped-2.0.2-dist.js, line 30 const res = await fetch(`${BASE_URL}${path}`, {

  • SECRETS_ENV_READ Note

    Reads an environment variable whose name contains KEY, SECRET, TOKEN, PASSWORD or CREDENTIAL.

    shipped-2.0.2-dist.js, line 9 const API_KEY = process.env.RUBRIC_API_KEY ?? "";

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.

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

    Pass

    No shell or command execution found, and no extra permission was declared.

  • 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

    shipped-2.0.2-dist.js, line 30

    const res = await fetch(`${BASE_URL}${path}`, {

    shipped-2.0.2-dist.js, line 42

    const res = await fetch(`${BASE_URL}${path}`, {

    shipped-2.0.2-dist.js, line 130

    const res = await fetch(`${BASE_URL}/v1/keys/request`, {

    Show more

    src/index.ts, line 38

    const res = await fetch(`${BASE_URL}${path}`, {

    src/index.ts, line 51

    const res = await fetch(`${BASE_URL}${path}`, {

    src/index.ts, line 175

    const res = await fetch(`${BASE_URL}/v1/keys/request`, {

    src/index.ts.bak-20260422-123631, line 20

    const res = await fetch(`${BASE_URL}${path}`, {

  • Secrets

    Note

    reads an environment variable.

    SECRETS_ENV_READ

    shipped-2.0.2-dist.js, line 9

    const API_KEY = process.env.RUBRIC_API_KEY ?? "";

    src/index.ts, line 15

    const API_KEY = process.env.RUBRIC_API_KEY ?? "";

  • Agent instructions

    Pass

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

  • Obfuscation

    Pass

    No encoded or minified payload found.

  • Licence

    Note

    no licence file found.

    LICENCE_MISSING

    No file path was stored.

    no licence file found.

  • Maintainer activity

    Pass

    The latest commit is within the last 365 days.

Get the full report on this tool, £49

Note

Hygiene check of commit 7f0de324b4b8. can reach a host that is not written as a fixed address. reads an environment variable. no licence file found.

Date and source

Date checked:

View source

github.com

Commit graded: 7f0de324b4b892bb7aaf05a8d514de9772aac9c9

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