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Lockbox MCP Server

local only

Lockbox runs on your own machine — the client starts it, so there is no endpoint to ping. 46 installs a week from npm. Last commit 16 Jul 2026.

Encrypted secrets for Next.js. AES-256-GCM with no vault needed.

Installs per day peak 7 · avg 3 · +23% w/w
a month agotoday
46
Installs / week
npm · vaultbox
107
Stars
0 open issues
16 Jul 2026
Last commit
no releases in 90 days
MIT
License
TypeScript

What the code does

We read the source, 3 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Package points at a different repository sathergate/sathergate-toolkit
пакет vaultbox ссылается на sathergate/lockbox

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add lockbox -- npx -y vaultbox
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "lockbox": {
      "command": "npx",
      "args": [
        "-y",
        "vaultbox"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.lockbox]
command = "npx"
args = ["-y", "vaultbox"]
.cursor/mcp.json
{
  "mcpServers": {
    "lockbox": {
      "command": "npx",
      "args": [
        "-y",
        "vaultbox"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "lockbox": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "vaultbox"
      ]
    }
  }
}

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Lockbox — questions

Answers built from our own checks of this server.

Why is there no uptime for Lockbox?
Lockbox runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package vaultbox was installed 46 times last week.
How do I connect Lockbox?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls vaultbox straight from npm; nothing to host, nothing to sign up for.
How many people use Lockbox?
The npm package vaultbox was installed 46 times in the last week. Week over week that is +23%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Lockbox open source?
Yes — it is published under the MIT licence, written in TypeScript and 107 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.