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Kastell

@kastelldev · github.com/kastelldev/kastell

Server security auditing and hardening toolkit.

ClaimedWeb & APIsstdioToolslocal auth

GitHub

Install one command

terminal

$ npx kastell

Or add it with the Claude CLI: claude mcp add kastelldev-kastell

Tools exposed 14 tools

server_info

server_logs

server_manage

server_maintain

server_secure

server_backup

server_provision

server_audit

server_evidence

server_guard

server_doctor

server_lock

server_fleet

server_fix

Configuration generate & copy

KASTELL_SAFE_MODE

HETZNER_TOKEN

DIGITALOCEAN_TOKEN

VULTR_TOKEN

LINODE_TOKEN

SERVER_IP

Values are filled in locally in your browser — nothing is sent anywhere.

claude_desktop_config.json

{
  "mcpServers": {
    "kastelldev-kastell": {
      "command": "npx",
      "args": ["kastell"],
      "env": {
        "KASTELL_SAFE_MODE": "<your-kastell-safe-mode>",
        "HETZNER_TOKEN": "<your-hetzner-token>",
        "DIGITALOCEAN_TOKEN": "<your-digitalocean-token>",
        "VULTR_TOKEN": "<your-vultr-token>",
        "LINODE_TOKEN": "<your-linode-token>",
        "SERVER_IP": "<your-server-ip>"
      }
    }
  }
}

Paste the Claude Desktop snippet under mcpServers in your config, then restart Claude Desktop — or run the Claude Code command in your terminal.

Kastell

Install one command

Tools exposed 14 tools

Configuration generate & copy

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