How do I install the kastell mcp server?

Use a recorded configuration for your client, replace example credential values and paths, and verify the documented runtime. Restart or reconnect the client, then inspect the available tools.

What credentials does it need?

It reads `HETZNER_TOKEN`, `DIGITALOCEAN_TOKEN`, `VULTR_TOKEN`, `LINODE_TOKEN`, `KASTELL_STRICT_HOST_KEY` from the environment. Store these in your client's env block or a secrets manager — never commit them to a repository — and grant the narrowest scope that still covers your use case.

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Kastell MCP Server

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

Remote serverstreamable-httpPython

What is the Kastell MCP Server?

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

The short version

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

How to install the Kastell MCP Server

{
  "mcpServers": {
    "kastell": {
      "command": "npx",
      "args": ["-y", "-p", "kastell", "kastell-mcp"],
      "env": {
        "HETZNER_TOKEN": "your-token",
        "DIGITALOCEAN_TOKEN": "your-token",
        "VULTR_TOKEN": "your-token",
        "LINODE_TOKEN": "your-token"
      }
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

Variable	Description	Required
HETZNER_TOKEN	Credential the server authenticates with.	Yes
DIGITALOCEAN_TOKEN	Credential the server authenticates with.	Yes
VULTR_TOKEN	Credential the server authenticates with.	Yes
LINODE_TOKEN	Credential the server authenticates with.	Yes
KASTELL_STRICT_HOST_KEY	Credential the server authenticates with.	Yes

Example prompts to try

“Use Kastell to Deploy.”
“Use Kastell to Manage.”
“Use Kastell to Snapshots.”

Frequently asked questions

Server security audit (413 checks), hardening, and fleet management across 4 cloud providers. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

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