WARDEN — MCP Security Firewall for Zed

io.github.alexar76/warden

MCP security firewall: vet tool definitions before they reach the model.

client:Zed transport:stdio runtime:npm

Install WARDEN — MCP Security Firewall in Zed

~/.config/zed/settings.json · windows: %APPDATA%\Zed\settings.json

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

Merge this into your existing settings object — do not replace the file. Zed docs