kastell

About kastell

Use kastell with your agent

claude mcp add kastell -- npx -y kastell

{
  "mcpServers": {
    "kastell": {
      "command": "npx",
      "args": [
        "-y",
        "kastell"
      ]
    }
  }
}

Frequently asked questions

What is kastell?

kastell is an MCP (Model Context Protocol) server by kastelldev in the Cloud Platforms category. Server security audit (413 checks), hardening, and fleet management across 4 cloud providers.

How do I connect kastell to Claude, Cursor, or another MCP client?

Install kastell from its npm package (kastell) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is kastell open source?

Yes — the source code is public at github.com/kastelldev/kastell, with 52 GitHub stars.

Can AI agents pay to use kastell?

Not yet through Loomal — kastell is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.