Grades are a hygiene check, not a security guarantee.

MCP, MCP server

Cerebrus Pulse MCP

Cerebrus Pulse MCP, an MCP server listed in the PlugVet directory.

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 e8c6ca207c39, unchanged since the check below.

NETWORK_NO_FIXED_HOST PERMISSION_SHELL_DECLARED SECRETS_ENV_READ

Why this grade

  • NETWORK_NO_FIXED_HOST Low

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

    scripts/check_payto.py, line 35 with urllib.request.urlopen(req, timeout=30) as resp:

  • PERMISSION_SHELL_DECLARED Note

    Runs shell commands, and the manifest or description says so.

    scripts/release.py, line 76 result = subprocess.run(

  • SECRETS_ENV_READ Note

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

    src/cerebrus_pulse_mcp/server.py, line 219 key = os.environ.get("CEREBRUS_WALLET_KEY", "").strip()

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

    Note

    requests shell access. The manifest names this permission.

    PERMISSION_SHELL_DECLARED

    scripts/release.py, line 76

    result = subprocess.run(

    scripts/release.py, line 182

    subprocess.run([sys.executable, "-m", "build"], cwd=ROOT, check=True)

    scripts/release.py, line 185

    subprocess.run(

  • 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

    scripts/check_payto.py, line 35

    with urllib.request.urlopen(req, timeout=30) as resp:

    scripts/check_prices.py, line 36

    with urllib.request.urlopen(req, timeout=30) as resp:

  • Secrets

    Note

    reads an environment variable.

    SECRETS_ENV_READ

    src/cerebrus_pulse_mcp/server.py, line 219

    key = os.environ.get("CEREBRUS_WALLET_KEY", "").strip()

  • 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.

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Note

Hygiene check of commit e8c6ca207c39. requests shell access. The manifest names this permission. can reach a host that is not written as a fixed address. reads an environment variable.

Date and source

Date checked:

View source

github.com

Commit graded: e8c6ca207c3919e9c45195f4b7f61bf3be6004f7

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