Grades are a hygiene check, not a security guarantee.

MCP, MCP server

mengram

mengram, an MCP server listed in the PlugVet directory.

Compatibility: Not stated.

Grade D

Two or more Medium findings, or a High finding. 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.

Rescanned at commit e90a8caa819f, unchanged since the check below.

NETWORK_HOST_FROM_INPUT OBFUSCATION_ENCODED_BLOB

Why this grade

  • NETWORK_HOST_FROM_INPUT Medium

    A file takes a URL or endpoint as input and has no fixed host list.

    cli.py, line 1728 with urllib.request.urlopen(req, timeout=15, context=_ssl_context()) as resp:

  • OBFUSCATION_ENCODED_BLOB Medium

    Contains a long base64 shaped string in a file that should be readable.

    cloud/api.py, line 1 """

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

    can delete files.

    PERMISSION_DELETE_FILES

    cli.py, line 1606

    r = subprocess.run(f"{command} --help", shell=True, capture_output=True,

    cli.py, line 2182

    subprocess.run(["pbcopy"], input=post.encode(), check=True)

    cli.py, line 2425

    r = subprocess.run([mengram_bin, "doctor"], capture_output=True, text=True, timeout=90)

    Show more

    cli.py, line 2831

    os.remove(f)

    benchmarks/locomo_bench.py, line 410

    os.remove(STATE_FILE)

    local/resume.py, line 70

    out = subprocess.run(["git", "-C", str(cwd), *args], capture_output=True, text=True, timeout=timeout)

  • Install and update

    Concern

    dependencies are not pinned.

    INSTALL_UNPINNED

    requirements.txt, line 1

    pyyaml>=6.0

  • Network

    Serious

    accepts a host from input, with no fixed list in this file.

    NETWORK_HOST_FROM_INPUT

    cli.py, line 1728

    with urllib.request.urlopen(req, timeout=15, context=_ssl_context()) as resp:

    cli.py, line 2006

    with urllib.request.urlopen(req, timeout=30, context=ctx) as r:

    cli.py, line 2036

    with urllib.request.urlopen(req, timeout=15, context=ctx) as r:

    Show more

    benchmark/local-extraction/bench.py, line 99

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

    benchmarks/locomo_bench.py, line 392

    print(" wget -O benchmarks/data/locomo10.json \\")

    cloud/billing.py, line 49

    with urllib.request.urlopen(req) as resp:

    cloud/client.py, line 146

    with urllib.request.urlopen(req, context=_SSL_CTX) as resp:

    cloud/client.py, line 289

    with urllib.request.urlopen(req, context=_SSL_CTX) as resp:

    cloud/store/_webhooks.py, line 211

    urllib.request.urlopen(req, timeout=10)

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_ENV_READ SECRETS_PATH_DOTENV

    cli.py, line 269

    print(f" Source: {'env MENGRAM_API_KEY' if os.environ.get('MENGRAM_API_KEY') else _cloud_config_path()}")

    cli.py, line 388

    api_key = os.environ.get("MENGRAM_API_KEY", "")

    cli.py, line 1794

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

    Show more

    cli.py, line 2264

    existing_key = os.environ.get("MENGRAM_API_KEY", "")

    cli.py, line 2916

    where = "env" if os.environ.get("MENGRAM_API_KEY") else "~/.mengram/config.json"

    cli.py, line 3197

    api_key = os.environ.get("MENGRAM_API_KEY", "")

    mengram.py, line 98

    key = api_key or os.getenv("ANTHROPIC_API_KEY", "")

    mengram.py, line 101

    key = api_key or os.getenv("OPENAI_API_KEY", "")

    examples/customer-support-agent/README.md, line 14

    cp .env.example .env

    examples/customer-support-agent/README.md, line 15

    # Edit .env and add your keys

    examples/devops-agent/README.md, line 14

    cp .env.example .env

    examples/devops-agent/README.md, line 15

    # Edit .env and add your Mengram API key (get one at https://mengram.io/dashboard)

    examples/personal-assistant/README.md, line 14

    cp .env.example .env

    examples/personal-assistant/README.md, line 15

    # Edit .env and add your keys

  • Agent instructions

    Pass

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

  • Obfuscation

    Concern

    contains an encoded blob in a file that should be readable.

    OBFUSCATION_ENCODED_BLOB

    cloud/api.py, line 1

    """

    cloud/dashboard.html, line 1

    <!DOCTYPE html>

    cloud/landing.html, line 1

    <!DOCTYPE html>

    Show more

    README.md, line 4

    <source media="(prefers-color-scheme: dark)" srcset="https://img.shields.io/badge/Mengram-a855f7?style=for-the-badge&logo=data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53

    README.md, line 5

    <img alt="Mengram" src="https://img.shields.io/badge/Mengram-a855f7?style=for-the-badge&logo=data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb

  • 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 e90a8caa819f. can delete files. dependencies are not pinned. accepts a host from input, with no fixed list in this file. reads a credential or environment file. contains an encoded blob in a file that should be readable.

Date and source

Date checked:

View source

github.com

Commit graded: e90a8caa819f5f75fdb3cecb262e1b5071de894b

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