mcpwall MCP Server

by behrensd Your server? Claim it

local only

mcpwall runs on your own machine — the client starts it, so there is no endpoint to ping. 78 installs a week from npm. Last commit 13 Jul 2026.

iptables for MCP — blocks dangerous tool calls, scans for secrets, logs everything.

Installs per day peak 25 · avg 11 · +88% w/w

a month agotoday

Installs / week

npm · mcpwall

Stars

2 open issues

13 Jul 2026

Last commit

0 releases in 90 days

—

License

TypeScript

What the code does

We read the source, 7 d ago · rules 3dff92dd89df

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 behrensd/mcp-firewall

пакет mcpwall ссылается на behrensd/mcpwall

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.

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.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcpwall -- npx -y mcpwall

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcpwall": {
      "args": [
        "-y",
        "mcpwall"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.mcpwall]
command = "npx"
args = ["-y", "mcpwall"]

.cursor/mcp.json

{
  "mcpServers": {
    "mcpwall": {
      "args": [
        "-y",
        "mcpwall"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "mcpwall": {
      "args": [
        "-y",
        "mcpwall"
      ],
      "command": "npx"
    }
  }
}

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mcpwall — questions

Answers built from our own checks of this server.

Why is there no uptime for mcpwall?

mcpwall 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 mcpwall was installed 78 times last week.

How do I connect mcpwall?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls mcpwall straight from npm; nothing to host, nothing to sign up for.

How many people use mcpwall?

The npm package mcpwall was installed 78 times in the last week. Week over week that is +88%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is mcpwall open source?

We cannot say either way: written in TypeScript, 4 stars on GitHub and 2 open issues, but we could not determine the licence, and without one the code is not open source by default.