Grades are a hygiene check, not a security guarantee.

MCP, MCP server

Obsidian Multivault Mcp

An MCP server that gives Claude read/write access to Obsidian vaults that live on a VPS — built for multiple vaults and multiple users from a single deployment.

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.

PERMISSION_DELETE_FILES NETWORK_NO_FIXED_HOST NETWORK_UNNAMED_HOST SECRETS_PATH_UNCONFIRMED SECRETS_ENV_READ

Why this grade

  • PERMISSION_DELETE_FILES Low

    Contains a call that can delete files.

    src/vault.ts, line 191 await fs.unlink(abs);

  • NETWORK_NO_FIXED_HOST Low

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

    AGENTS.md, line 59 curl -i -X POST https://203-0-113-10.sslip.io/mcp \

  • NETWORK_UNNAMED_HOST Low

    Calls a fixed host that the description does not name.

    AGENTS.md, line 59 curl -i -X POST https://203-0-113-10.sslip.io/mcp \

  • SECRETS_PATH_UNCONFIRMED Low

    The Secrets check reports a credential or environment file, but no quoted line shows a recognisable path.

    src/http.ts, line 76 const jwtSecret = process.env.MCP_JWT_SECRET;

  • SECRETS_ENV_READ Note

    Reads an environment variable whose name contains KEY, SECRET, TOKEN, PASSWORD or CREDENTIAL.

    src/http.ts, line 76 const jwtSecret = process.env.MCP_JWT_SECRET;

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

    can delete files.

    PERMISSION_DELETE_FILES

    src/vault.ts, line 191

    await fs.unlink(abs);

  • Install and update

    Pass

    No install-time script found, and dependencies are pinned or absent.

  • Network

    Concern

    can reach 203-0-113-10.sslip.io. The description does not name that host. can reach a host that is not written as a fixed address.

    NETWORK_NO_FIXED_HOST NETWORK_UNNAMED_HOST

    AGENTS.md, line 59

    curl -i -X POST https://203-0-113-10.sslip.io/mcp \

    scripts/smoke-http.mjs, line 28

    const reg = await fetch(`${base}/register`, {

    scripts/smoke-http.mjs, line 46

    const authRes = await fetch(authUrl, { redirect: "manual" });

    Show more

    scripts/smoke-http.mjs, line 48

    const login = await fetch(`${base}/login`, {

    scripts/smoke-http.mjs, line 56

    const tok = await fetch(`${base}/token`, {

    scripts/smoke-http.mjs, line 173

    const unauth = await fetch(`${base}/mcp`, {

    scripts/smoke-http.mjs, line 187

    const prm = await fetch(`${base}/.well-known/oauth-protected-resource/mcp`);

    scripts/smoke-http.mjs, line 194

    const asMeta = await fetch(`${base}/.well-known/oauth-authorization-server`);

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_ENV_READ SECRETS_PATH_UNCONFIRMED

    src/http.ts, line 76

    const jwtSecret = process.env.MCP_JWT_SECRET;

    .gitignore, line 6

    # Secrets and runtime state - never commit these

    .gitignore, line 8

    *.env

    Show more

    AGENTS.md, line 70

    the repo, mode 600. (`.gitignore` already blocks `*.env` and `oauth-clients.json`.)

    scripts/smoke-http.mjs, line 98

    { env: { ...process.env, ...env }, stdio: ["ignore", "inherit", "pipe"] },

  • 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 c2426358ba84. can delete files. can reach 203-0-113-10.sslip.io. The description does not name that host. 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: c2426358ba848a7b9db073f7bdae24682ea9f13c

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