HSM Kit for Zed

io.github.hsm-kit/hsmkit

Local-first Base64, Luhn, key-component XOR, and synthetic ISO-0 PIN block tools.

client:Zed transport:stdio runtime:npm

Install HSM Kit in Zed

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

{
  "context_servers": {
    "hsmkit": {
      "command": "npx",
      "args": [
        "-y",
        "@hsmkit/mcp-server"
      ]
    }
  }
}

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