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Hetzner Cloud MCP Server

@wbf-solutions

基本情報

カテゴリ

開発者ツール

ライセンス

MIT

トランスポート

stdio

作者

wbf-solutions

投稿者

wbf

Hetzner Cloud MCP Server について

The Hetzner MCP with SSH server management. 60 tools — Cloud API + SSH in one MCP server.

#hetzner-cloud-api#hetzner-cloud-ssh#mcp-server

Hetzner Cloud MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "hetzner-cloud": {
      "url": "https://your-server.com/api.php?mcp=sse&key=YOUR_API_KEY"
    }
  }
}

Hetzner Cloud MCP Server のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

上のボタンでサーバーのエンドポイントに接続し、ツール一覧を取得できます。

概要

What is Hetzner Cloud MCP Server?

An MCP server that lets you manage Hetzner Cloud infrastructure from any MCP-compatible client (Claude.ai, Claude Desktop, VS Code, Cursor). It combines the Hetzner Cloud API (25 tools for power, metrics, snapshots, firewalls, DNS) with a full SSH management layer (27 tools for services, logs, Nginx, MySQL, system health) — 60 tools total. Built for sysadmins and developers who need both API and server‑level control.

How to use Hetzner Cloud MCP Server?

Clone the repository, install dependencies with Composer, copy .env.example to .env, and set your Hetzner API token, server details, SSH key path, and an API key. Configure an Nginx reverse proxy with PHP‑FPM (fastcgi_buffering off required for SSE). Then add a custom connector in Claude.ai, Claude Desktop, or another client, pointing to https://yourdomain.com/api.php with the API key passed as ?key=XXX or Authorization: Bearer. Tools are invoked via MCP tool calls.

Key features of Hetzner Cloud MCP Server

  • Two management layers: Cloud API and SSH
  • 60 tools covering server, DNS, and SSH operations
  • Dynamic multi‑server configuration (1 to N servers)
  • Destructive guards (confirmation required for dangerous ops)
  • Transport via SSE and Streamable HTTP
  • Self‑hosted, open source (MIT), PHP 8.1+

Use cases of Hetzner Cloud MCP Server

  • Manage Hetzner servers through Claude.ai or Claude Desktop from any device
  • Perform sysadmin tasks: restart services, tail logs, check memory, firewall status
  • Automate server provisioning: snapshots, backups, rescale, rebuild
  • Manage DNS zones and records without leaving your AI chat
  • Monitor system health and run read‑only SQL queries

よくある質問

1

What are the two management layers?

Layer 1 (Hetzner Cloud API) handles server power, metrics, snapshots, firewalls, DNS, rescue, rebuild — works even if the OS is unresponsive. Layer 2 (SSH) gives real sysadmin tools: service control, logs, Nginx, MySQL, supervisor, cron, UFW, disk/memory/CPU monitoring.

2

How do I authenticate with this MCP server?

You can run without authentication (behind a VPN/firewall), use a static API key (`MCP_API_KEY`), or add OAuth 2.1 token introspection for multi‑user deployments. Clients pass the key as `?key=XXX` or via `Authorization: Bearer` header.

3

Can I manage multiple servers?

Yes. Define any number of servers in the `.env` file with `SERVERS=web,staging` and individual `SERVER_*` variables for ID, IP, SSH user, and aliases. SSH tools are auto‑directed to the configured server.

4

What security measures are in place?

Dangerous operations require `confirm=true`. SSH commands block 29 dangerous patterns (e.g., `rm -rf`, `dd`, `mkfs`). SQL is restricted to `SELECT`, `SHOW`, `DESCRIBE`, `EXPLAIN` only. Rate limiting uses atomic `flock()` per IP.

5

Do I need SSH access for all tools?

No. Cloud API tools (server power, metrics, snapshots, firewalls, DNS) work without SSH. SSH‑based tools (service management, logs, MySQL, etc.) require an SSH key configured for the server and `SSH_KEY_PATH` set in the `.env` file. If SSH is not configured, those tools are automatically disabled.

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