io.github.kastelldev/kastell

io.github.kastelldev/kastell

Server security audit (413 checks), hardening, and fleet management across 4 cloud providers.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "kastell": {
      "command": "npx",
      "args": [
        "-y",
        "kastell@1.14.0"
      ],
      "env": {
        "HETZNER_TOKEN": "<your HETZNER_TOKEN>",
        "DIGITALOCEAN_TOKEN": "<your DIGITALOCEAN_TOKEN>",
        "VULTR_TOKEN": "<your VULTR_TOKEN>",
        "LINODE_TOKEN": "<your LINODE_TOKEN>"
      }
    }
  }
}
Environment variables
  • HETZNER_TOKENsecretHetzner Cloud API token (optional — only for Hetzner servers)
  • DIGITALOCEAN_TOKENsecretDigitalOcean API token (optional — only for DigitalOcean servers)
  • VULTR_TOKENsecretVultr API token (optional — only for Vultr servers)
  • LINODE_TOKENsecretLinode API token (optional — only for Linode servers)

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.14.0
Registry
active
Published
3/24/2026

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