kastell for Grok
io.github.kastelldev/kastell
Server security audit (413 checks), hardening, and fleet management across 4 cloud providers.
client:Grok
transport:stdio
runtime:npm
Install kastell in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"kastell": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"kastell"
],
"env": {
"HETZNER_TOKEN": "<HETZNER_TOKEN>",
"DIGITALOCEAN_TOKEN": "<DIGITALOCEAN_TOKEN>",
"VULTR_TOKEN": "<VULTR_TOKEN>",
"LINODE_TOKEN": "<LINODE_TOKEN>"
}
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs