Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
作者による説明(英語の原文)
Unofficial MCP server for the Hetzner Cloud API: one typed tool per operation, read and write.
この3つを1つのスコアにまとめることはしません。意見、測定、人気はそれぞれ別のものだからです。
このサーバーのやさしい解説はまだ書いていません。以下はレジストリから読み取った事実です。
使っているAIアプリを選んで、設定をコピーしてください。
HETZNER_API_TOKEN, HETZNER_READ_ONLY, HETZNER_CONFIRM_WRITES, HETZNER_DENY_TOOLS, LOG_LEVEL「秘密」と表示された値は、あなたのアカウントの鍵です。絶対に人に教えたり、チャットに貼り付けたりしないでください。
必要なもの
どのアプリを使っていますか?
上でアプリを選んでください。選んだアプリを覚えておくので、次からはボタンに「…にインストール」と表示されます。
Claude Desktop → Settings → Developer → Edit Config を開き、claude_desktop_config.json にこれを貼り付けます
{
"mcpServers": {
"the-real-hetzner": {
"command": "npx",
"args": [
"-y",
"@mguttmann/hetzner-cloud-mcp"
],
"env": {
"HETZNER_API_TOKEN": "your-value",
"HETZNER_READ_ONLY": "your-value",
"HETZNER_CONFIRM_WRITES": "your-value",
"HETZNER_DENY_TOOLS": "your-value",
"LOG_LEVEL": "your-value"
}
}
}
}ターミナルでこれを実行します
claude mcp add the-real-hetzner --env HETZNER_API_TOKEN=your-value --env HETZNER_READ_ONLY=your-value --env HETZNER_CONFIRM_WRITES=your-value --env HETZNER_DENY_TOOLS=your-value --env LOG_LEVEL=your-value -- npx -y @mguttmann/hetzner-cloud-mcp動かす前に、空欄の値を入力してください。
プロジェクトの .cursor/mcp.json、または ~/.cursor/mcp.json に貼り付けます
{
"mcpServers": {
"the-real-hetzner": {
"command": "npx",
"args": [
"-y",
"@mguttmann/hetzner-cloud-mcp"
],
"env": {
"HETZNER_API_TOKEN": "your-value",
"HETZNER_READ_ONLY": "your-value",
"HETZNER_CONFIRM_WRITES": "your-value",
"HETZNER_DENY_TOOLS": "your-value",
"LOG_LEVEL": "your-value"
}
}
}
}ブラウザがアプリを開いてよいか確認し、そのあとアプリが設定を表示して確認を求めます。キーの値は空欄のままなので、自分で入力してください。
プロジェクトの .vscode/mcp.json に貼り付けます
{
"servers": {
"the-real-hetzner": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mguttmann/hetzner-cloud-mcp"
],
"env": {
"HETZNER_API_TOKEN": "your-value",
"HETZNER_READ_ONLY": "your-value",
"HETZNER_CONFIRM_WRITES": "your-value",
"HETZNER_DENY_TOOLS": "your-value",
"LOG_LEVEL": "your-value"
}
}
}
}ブラウザがアプリを開いてよいか確認し、そのあとアプリが設定を表示して確認を求めます。キーの値は空欄のままなので、自分で入力してください。
これはパソコンで動くサーバーですが、ChatGPTがつなげるのはインターネット上のサーバーだけです。ほかのアプリを選んでください。
選んだアプリは、この端末のCookieに保存されます。アカウントは不要です。
HETZNER_READ_ONLY envHETZNER_CONFIRM_WRITES envHETZNER_DENY_TOOLS envLOG_LEVEL envこの設定は、作者のレジストリ登録情報から作成しています。READMEと違う場合は、READMEに従ってください。
パソコンで動くサーバーです。インストールすると、ツール一覧がAIアプリに表示されます。
誰でも見られる情報をチェックしており、コードは読んでいません。当てはまらない項目は数に入れていません。 · 2026年11月8日にチェック
レジストリ名は、リポジトリを所有するGitHubアカウント mguttmann で確認済みです
このリポジトリはまだGitHubから読み取っていません
このリポジトリはまだGitHubから読み取っていません
これはパソコンで動くため、インターネット上のエンドポイントはありません
パソコンで動き、代わりにローカルの設定を使います
パソコンで動くサーバーです。ツール一覧を読み取れるのは、インターネット上のエンドポイントがある場合だけです
レジストリでこのカテゴリにある有効なすべてのサーバーと比較しています。スターは、公開者がリポジトリの所有者である場合だけ数えます。
当てはまる基本チェック1項目のうち1項目に合格しました。コードは読んでいません。キーやトークンを追加する前に、サーバーがどんなアクセスを求めているかを確認し、必要な権限だけを持つキーを使ってください。
入力が必要なもの:HETZNER_API_TOKEN
あなたのパソコンで動きます。必要なときにAIアプリが起動し、データは作者のサーバーを通りません(サーバー自体がオンラインサービスを呼び出す場合を除きます)。
GitHubリポジトリの最終更新は–、最新バージョン(0.2.0)がレジストリに届いたのは12 日前です。
Claude Desktop、Claude Code、Cursor、VS CodeなどのMCP対応アプリで使えます。パソコンにNode.jsも必要です。
同じカテゴリには:Spec Driven Development, Remote Desktop Commander, Alion: company, startup and market intelligence
同じカテゴリで、ほかの作者が作ったサーバー。スターの多い順。
カードの見方:↓ 週あたりのダウンロードi★ GitHubスターi3つの柱:レビュー · チェック · 利用状況i更新=最新バージョンをレジストリに公開した日i
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.
Companies, jobs, pay and people; check counterparties, register agents, write to companies.
作者のリポジトリから書かれたとおりにコピーしたものです。PopNx MCPは内容を確認・推奨していません。HTML、画像、スクリプトは取り除いています。リンクはこのサイトの外へ移動します。
An unofficial local Model Context Protocol (MCP) server (stdio) for the Hetzner Cloud API: every operation of the vendored Hetzner Cloud API specification as a typed tool, read and write, plus hand-tuned wrappers for the common server operations. npm package: @mguttmann/hetzner-cloud-mcp.
Unofficial project. This server is not affiliated with, endorsed by, sponsored by or supported by Hetzner Online GmbH. "Hetzner" is a trademark of Hetzner Online GmbH. The vendored API specification (specs/cloud.spec.json) is Hetzner's and is not covered by this project's MIT License. See NOTICE.
main, with a CycloneDX SBOM, SHA256SUMS and build provenance (CHANGELOG.md lists the changes).specs/cloud.spec.json (one generated tool per operation), plus hand-tuned wrappers for the common server operations. The exact tool list and count are pinned by tests/tools-contract.test.ts against tests/snapshots/tools-contract.json.hcloud_raw_request as a generic escape hatch for any endpoint.HETZNER_CONFIRM_WRITES=true: every tool that is not read-only returns a preview (tool name and input) unless the call carries confirm: "YES".HETZNER_READ_ONLY=true (only read-only tools and GET through hcloud_raw_request run) and HETZNER_DENY_TOOLS (tool name globs that always return an error). Both leave the tool list and the schemas unchanged.Not covered: Hetzner Robot (the dedicated-server API), Hetzner DNS (the standalone DNS product, a separate API from Cloud DNS) and Hetzner Storage Boxes. They are not part of the Cloud API and the codegen has no spec for them.
Covered: Cloud DNS zones and RRSets (/v1/zones) are part of the Cloud API spec, so they are in scope through the generated tools.
Requires Node.js 22.12 or newer (engines in package.json; the CI matrix in .github/workflows/ci.yml tests the floor and the current Node lines).
Do not install 0.1.x. npm versions below 0.2.0 (0.1.0 and 0.1.1) are affected by a path-injection vulnerability that is fixed in 0.2.0, see SECURITY.md.
The package name is exactly @mguttmann/hetzner-cloud-mcp; packages with similar names are not from this project.
npm install -g "@mguttmann/hetzner-cloud-mcp@>=0.2.0"
The version range makes npm refuse the vulnerable 0.1.x versions. If npm reports that no matching version exists, 0.2.0 is not published yet: install from a pinned git commit instead. In your MCP client config the command is then just hetzner-cloud-mcp (no path needed).
npx -y "@mguttmann/hetzner-cloud-mcp@>=0.2.0"
MCP clients start it the same way, see Variant C. Keep the version range: without it npx would take whatever version npm serves as latest.
Once listed, the server is in the official MCP Registry as io.github.mguttmann/the-real-hetzner-mcp, with the npm package above as its package. Clients that install from the registry use the same npm package.
git clone https://github.com/mguttmann/the-real-hetzner-mcp.git
cd the-real-hetzner-mcp git checkout npm ci npm run build
Pin a full commit SHA, not a branch name: the commit of the v0.2.0 tag (git rev-list -n 1 v0.2.0) or a later commit on main. npm ci installs exactly the committed lockfile.
With the npm package, set the variables in the env block of your MCP client configuration (see MCP Connector Setup); the package ships no .env file. In a git checkout:
cp .env.example .env
npm run refresh-spec and npm run generate are not part of the setup: they change the tool surface (see Spec Updates).
The server reads its configuration from the environment. At startup it also loads the .env file in the package directory (next to package.json, dotenv), never one from the current working directory; variables that are already set win. A deployment can pass the file explicitly instead, from any working directory: node --env-file=/path/to/.env dist/index.js.
Optional smoke test against the real API (four read-only calls):
npm run test:live
Only HETZNER_API_TOKEN is required. The defaults below are pinned by tests/config.test.ts. A numeric value that is not a positive number, and an unknown boolean or log level, falls back to the default. Exceptions that stop the server at startup instead: an invalid HETZNER_API_BASE and an unknown HETZNER_READ_ONLY value.
| Variable | Default | Meaning |
|---|---|---|
HETZNER_API_TOKEN | (required) | Hetzner Cloud API token, sent as a bearer token on every request. The server can do exactly what this token allows. |
HETZNER_API_BASE | https://api.hetzner.cloud/v1 | API base URL. Must be https; plain http only for localhost, 127.0.0.1 or ::1. Any other value stops the server at startup. Override only for tests or a local fake upstream. |
HETZNER_CONFIRM_WRITES | false | true, 1 or yes: every tool that is not read-only returns a preview unless the call carries confirm: "YES". |
HETZNER_READ_ONLY | false | true, 1 or yes: every tool that is not annotated read-only, and hcloud_raw_request with a method other than GET, returns isError without sending a request. Checked before the confirm guard. Tool list and schemas are unchanged. Any value other than true, 1, yes, false, 0, no or empty stops the server at startup. |
HETZNER_DENY_TOOLS | (empty) | Comma-separated tool name globs (* any characters, ? one character, whole name, case-sensitive), for example hcloud_delete_*,hcloud_raw_request. A matching tool returns isError without sending a request, read-only tools included. Tool list and schemas are unchanged. Patterns use the server's own hcloud_* names, not a gateway-prefixed name; a pattern that matches no tool stops the server at startup. Denying a tool does not block its endpoint through hcloud_raw_request, so deny hcloud_raw_request as well, otherwise every denied endpoint stays reachable through it. |
LOG_LEVEL | warn | debug, info, warn or error. Logs are JSON on stderr; stdout carries the MCP protocol. |
HTTP_TIMEOUT_MS | 30000 | Wall-clock budget for one API request, all attempts and retry delays included. |
HTTP_MAX_RETRY_DELAY_MS | 10000 | Longest single retry delay. A 429 whose Retry-After asks for more is returned at once as an error. |
ACTION_POLL_TIMEOUT_MS | 45000 | Wall-clock budget of a wait: true call, measured from the start of the call (write request, poll requests and their retries included). Also the ceiling for the timeout_ms argument of hcloud_wait_action. |
ACTION_POLL_INTERVAL_MS | 2000 | Pause between two polls. The interval_ms argument of hcloud_wait_action cannot go below 1000 or this value, whichever is lower. |
PAGINATION_MAX_ITEMS | 500 | Soft cap on the items an auto-paginated list collects; a capped list reports truncated: true. |
PAGINATION_MAX_PAGES | 10 | Soft cap on the pages an auto-paginated list requests. |
MAX_OUTPUT_BYTES | 8388608 | Largest tool result text in bytes, counted as sent (JSON-escaped). A longer result is cut and ends with [output truncated by MAX_OUTPUT_BYTES=...]. Values above the default are lowered to it, so one result line stays below the 10 MiB stdio limit. |
PAGINATION_TIMEOUT_MS | 45000 | Wall-clock budget of one auto-paginated list. When it ends, the pages read so far come back with truncated: true and a note. |
MCP_SERVE_MODERN_PROTOCOL | false | true, 1 or yes: also serve the MCP 2026-07-28 revision over stdio (see MCP protocol). A client that opens with initialize gets the same 2025-era session as with false. |
Development only: RUN_LIVE_TESTS=1 enables tests/live-smoke.test.ts (set by npm run test:live), and HETZNER_LIVE_SMOKE_ANCHORS optionally names servers that test expects to find.
Retries: a 429 is retried after Retry-After, or after a short backoff when the header is missing (Hetzner refills one request per second; RateLimit-Reset is the time the bucket is full again and is not used as a delay). A 5xx is retried with backoff, except for POST, which may already have been processed. With the defaults one tool call answers within about max(HTTP_TIMEOUT_MS, ACTION_POLL_TIMEOUT_MS) (tests/call-budget.test.ts measures this), so it stays below a 60 s client call timeout, common in MCP clients and gateways. Keep that relation if you raise the values. Auto-paginated lists run one request per page within PAGINATION_TIMEOUT_MS; when that budget ends, the pages read so far come back with truncated: true and a note, never as a list that looks complete.
When polling fails or the budget runs out after a successful write, the tool returns the write response (for example the new resource id and a one-time root_password) with polling_timed_out: true, plus polling_error if polling failed.
The server speaks MCP over stdio only and opens no network port.
2024-11-05, 2025-03-26, 2025-06-18 or 2025-11-25 gets that revision back; a client that asks for a newer one (for example 2026-07-28) in initialize gets 2025-11-25 (tests/server.test.ts).MCP_SERVE_MODERN_PROTOCOL=true the server also answers a client that opens with server/discover and serves it the 2026-07-28 revision, with the same tools. A client that opens with initialize still gets the 2025-era session above (tests/serve-protocol.test.ts). The default is false: a client in auto mode (such as the python mcp client) would switch to the new revision as soon as it is offered, so turn it on only after checking the client. See docs/adr/0001-mcp-sdk-v2.md.tests/transport-lifecycle.test.ts). A longer line closes the transport: the server logs mcp transport error on stderr and exits with code 1. Keep large arguments (for example user_data) well below that size. Outbound, a tool result is cut at MAX_OUTPUT_BYTES (at most 8 MiB, tests/output-cap.test.ts) and then ends with an [output truncated by MAX_OUTPUT_BYTES=...] marker.Append to your cli
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