Grades are a hygiene check, not a security guarantee.

MCP, MCP server

Wundervault Mcp

A zero-knowledge secrets vault for AI agents. Every API key you paste into an agent chat or a .env file ends up in context windows, transcripts, and provider logs.

Compatibility: Not stated.

Grade D

Two or more Medium findings, or a High. 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.

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 15 postinstall

  • SECRETS_PATH_CREDENTIAL Medium

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

    src/server.ts, line 293 ssh_key: { type: 'string', description: 'Path to SSH private key on disk (e.g. ~/.ssh/id_ed25519). Prefer ssh_key_entry_id.' },

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

    installer/onboard.py, line 16

    subprocess.check_call([sys.executable, "-m", "pip", "install", "cryptography", "--quiet"])

    installer/onboard.py, line 41

    subprocess.check_call(cmd)

    src/agent.ts, line 112

    try { fs.unlinkSync(sockPath); } catch {}

    Show more

    src/agent.ts, line 153

    try { fs.unlinkSync(MGMT_SOCK); } catch {}

    src/agent.ts, line 199

    try { fs.unlinkSync(path.join(AGENTS_DIR, f)); } catch {}

    src/agent.ts, line 213

    try { fs.unlinkSync(path.join(AGENTS_DIR, `${name}.sock`)); } catch {}

    src/agent.ts, line 218

    try { fs.unlinkSync(MGMT_SOCK); } catch {}

  • Install and update

    Concern

    runs a script at install time.

    INSTALL_LIFECYCLE_HOOK

    package.json, line 15

    postinstall

  • Network

    Concern

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

    NETWORK_NO_FIXED_HOST

    installer/onboard.py, line 4

    curl -fsSL https://wundervault.com/onboard -o onboard.py && python3 onboard.py "SETUP_URL"

    installer/onboard.py, line 128

    print(' curl -fsSL https://wundervault.com/onboard -o onboard.py && python3 onboard.py "SETUP_URL"')

    src/api-client.ts, line 37

    const resp = await fetch(url, {

    Show more

    src/index.ts, line 167

    const r = await fetch(`${base}/api/v1/mcp/requirements`, { signal: AbortSignal.timeout(5000) });

    src/lock.ts, line 180

    const sock = net.connect(listenOptions(port) as net.NetConnectOpts);

    .buildreview/round-1-package.md, line 717

    const r = await fetch(`${base}/api/v1/mcp/requirements`, { signal: AbortSignal.timeout(5000) });

    .buildreview/round-2-package.md, line 841

    const r = await fetch(`${base}/api/v1/mcp/requirements`, { signal: AbortSignal.timeout(5000) });

    .buildreview/round-3-package.md, line 734

    const r = await fetch(`${base}/api/v1/mcp/requirements`, { signal: AbortSignal.timeout(5000) });

    .buildreview/round-4-package.md, line 803

    const r = await fetch(`${base}/api/v1/mcp/requirements`, { signal: AbortSignal.timeout(5000) });

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_ENV_READ SECRETS_PATH_CREDENTIAL SECRETS_PATH_DOTENV

    src/server.ts, line 85

    const agentToken = process.env.WUNDERVAULT_AGENT_TOKEN ||

    src/server.ts, line 138

    `✅ ${args.env_key ?? 'DEMO_KEY'} injected into ${args.file_path ?? '~/.env'}\nSecret retrieved and burned.${MOCK_NOTE}` }] });

    src/server.ts, line 293

    ssh_key: { type: 'string', description: 'Path to SSH private key on disk (e.g. ~/.ssh/id_ed25519). Prefer ssh_key_entry_id.' },

    Show more

    src/server.ts, line 213

    'Write a vault secret directly into an environment variable file (.env). '

    src/server.ts, line 231

    description: 'Absolute path to the .env file to update.',

    src/templates.ts, line 26

    // NODE_AUTH_TOKEN alone is not read by npm without .npmrc wiring - this handles

    src/templates.ts, line 97

    * name /etc/.env and have a basename rule wave it through.

    src/templates.ts, line 122

    * policy: a symlink named `.env` satisfies `endsWith('/.env')` while pointing at any

    src/templates.ts, line 128

    (p: string) => p === path.join(realHome(), '.npmrc'),

  • 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.

Get the full report on this tool, £49

Note

Hygiene check of commit bf76e8e956b0. can delete files. 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: bf76e8e956b0401319809210b605136586210fea

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