Grades are a hygiene check, not a security guarantee.

MCP, MCP server

Yandex Audience MCP

MCP-сервер для Яндекс Аудиторий — создавать CRM- и LAL-сегменты, управлять пикселями и доступами из AI-приложения

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 d30c07e3b3c8, unchanged since the check below.

INSTALL_LIFECYCLE_HOOK SECRETS_PATH_CREDENTIAL

Why this grade

  • INSTALL_LIFECYCLE_HOOK Medium

    A package install hook (preinstall, install, postinstall or prepare) runs a script.

    package.json, line 27 prepare

  • SECRETS_PATH_CREDENTIAL Medium

    Mentions a credential store path (~/.ssh, id_rsa, .npmrc, .aws/credentials, credentials.json, .netrc).

    src/auth.test.ts, line 88 assert.deepEqual(readdirSync(dirname(file)), ["credentials.json"]);

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

    Concern

    runs a script at install time.

    INSTALL_LIFECYCLE_HOOK

    package.json, line 27

    prepare

  • Network

    Concern

    can reach a host that is not written as a fixed address.

    NETWORK_NO_FIXED_HOST

    src/client.ts, line 147

    const res = await fetch(url, { ...init, signal: controller.signal });

    CLAUDE.md, line 129

    5. Add a `*.test.ts` using the mock-fetch (client) / fake-client (tools) harness - no network.

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_ENV_READ SECRETS_PATH_CREDENTIAL

    src/auth.test.ts, line 88

    assert.deepEqual(readdirSync(dirname(file)), ["credentials.json"]);

    src/auth.test.ts, line 169

    assert.ok(status.includes("credentials.json"), "but it must say where the file lives");

    src/auth.ts, line 54

    * stored - ~/.config/mcp-yandex-audience/credentials.json, written by finish_login

    Show more

    src/client.test.ts, line 449

    * tests never read the developer's real credentials.json (which would make

    src/config.ts, line 45

    token: process.env.YANDEX_AUDIENCE_TOKEN || undefined,

    src/credentials.ts, line 27

    return join(base, APP, "credentials.json");

    src/credentials.ts, line 55

    * truncate only the temp file, never credentials.json itself.

    src/credentials.ts, line 61

    const tmp = join(dir, `.credentials.json.${randomBytes(6).toString("hex")}.tmp`);

    .gitignore, line 3

    *.log

  • 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 d30c07e3b3c8. runs a script at install time. can reach a host that is not written as a fixed address. reads a credential or environment file.

Date and source

Date checked:

View source

github.com

Commit graded: d30c07e3b3c81cc9c36a2c25060b4dacce9004a1

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