Grades are a hygiene check, not a security guarantee.

MCP, MCP server

io.github.NellInc/saferagenticai-mcp

io.github.NellInc/saferagenticai-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 07e36510bfcb, unchanged since the check below.

NETWORK_NO_FIXED_HOST SECRETS_PATH_DOTENV OBFUSCATION_FILE_OVER_READ_CAP

Why this grade

  • NETWORK_NO_FIXED_HOST Low

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

    saferagenticai_mcp/_data/suites/I1/I1--idx1--opaque-self-improvement-capabilities.yaml, line 94 \ consent = consent_store.fetch(\n principal=new_manifest.principal,\n \

  • SECRETS_PATH_DOTENV Low

    Mentions a .env file.

    saferagenticai_mcp/_data/operational_heuristics.yaml, line 191 description: "Declarative deny list for .env, credentials, secrets, .pem, .key files"

  • OBFUSCATION_FILE_OVER_READ_CAP Note

    A file was over the read cap and was not fully read.

    saferagenticai_mcp/_data/criteria-v1.json, 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.

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

    saferagenticai_mcp/_data/suites/I1/I1--idx1--opaque-self-improvement-capabilities.yaml, line 94

    \ consent = consent_store.fetch(\n principal=new_manifest.principal,\n \

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_PATH_DOTENV

    saferagenticai_mcp/_data/operational_heuristics.yaml, line 191

    description: "Declarative deny list for .env, credentials, secrets, .pem, .key files"

    saferagenticai_mcp/_data/operational_heuristics.yaml, line 259

    shell commands) and env-protection.cjs (blocks .env file writes).

    saferagenticai_mcp/_data/operational_heuristics.yaml, line 313

    description: "Blocks writes to .env files (credential exposure prevention)"

  • Agent instructions

    Pass

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

  • Obfuscation

    Note

    a file was over the read cap and was not fully read.

    OBFUSCATION_FILE_OVER_READ_CAP

    saferagenticai_mcp/_data/criteria-v1.json, line 1

    {

  • 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 07e36510bfcb. can reach a host that is not written as a fixed address. reads a credential or environment file. a file was over the read cap and was not fully read.

Date and source

Date checked:

View source

github.com

Commit graded: 07e36510bfcb014ede28f835aef654fc5049ef6d

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