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WARDEN — MCP Security Firewall

MCP server · by alexar76

Security npm v0.8.2

MCP security firewall: stdio wrap proxy or inspection tools; zero runtime dependencies.

View source ↗ More servers

Install

Run one of the commands below, then add the client config underneath.

npmnpx -y @aimarket/warden

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "warden-2": {
      "command": "npx",
      "args": [
        "-y",
        "@aimarket/warden"
      ]
    }
  }
}

About this server

WARDEN — MCP Security Firewall is listed in the Security category of the MCPNav directory. It is distributed as npm and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the WARDEN — MCP Security Firewall MCP server?

WARDEN — MCP Security Firewall is an MCP server by alexar76. MCP security firewall: stdio wrap proxy or inspection tools; zero runtime dependencies.

How do I install WARDEN — MCP Security Firewall?

Install it with: npx -y @aimarket/warden. Then add the JSON config to your client's MCP settings and restart the client.

Is WARDEN — MCP Security Firewall free to use?

The MCP server itself is free to install. The source is public on https://github.com/alexar76/warden. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support WARDEN — MCP Security Firewall?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.