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Hetzner MCP Server for LangChainGive LangChain instant access to 38 tools to Create Certificate, Create Firewall, Create Floating Ip, and more

MCP Inspector GDPR Free for Subscribers

LangChain is the leading Python framework for composable LLM applications. Connect Hetzner through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

Ask AI about this MCP Server for LangChain

The Hetzner MCP Server for LangChain is a standout in the Developer Tools category — giving your AI agent 38 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

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python
import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MultiServerMCPClient({
        "hetzner": {
            "transport": "streamable_http",
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
        }
    }) as client:
        tools = client.get_tools()
        agent = create_react_agent(
            ChatOpenAI(model="gpt-4o"),
            tools,
        )
        response = await agent.ainvoke({
            "messages": [{
                "role": "user",
                "content": "Using Hetzner, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())
Hetzner
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Hetzner MCP Server

Connect your Hetzner Cloud account to any AI agent to orchestrate your infrastructure through natural language.

LangChain's ecosystem of 500+ components combines seamlessly with Hetzner through native MCP adapters. Connect 38 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.

What you can do

  • Server Management — List all active servers, fetch specific details, and create or delete instances on demand.
  • Power Control — Remotely power on servers or rebuild them from specific images using simple commands.
  • Networking & Security — Manage private networks, configure firewalls, and handle floating IPs to ensure connectivity.
  • Load Balancing — List and create load balancers to distribute traffic across your infrastructure efficiently.

The Hetzner MCP Server exposes 38 tools through the Vinkius. Connect it to LangChain in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 38 Hetzner tools available for LangChain

When LangChain connects to Hetzner through Vinkius, your AI agent gets direct access to every tool listed below — spanning cloud-hosting, server-management, infrastructure-as-code, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

create

Create certificate on Hetzner

Create a new certificate

create

Create firewall on Hetzner

Create a new firewall

create

Create floating ip on Hetzner

Create a new floating IP

create

Create load balancer on Hetzner

Create a new load balancer

create

Create network on Hetzner

Create a new network

create

Create server on Hetzner

Create a new server

create

Create ssh key on Hetzner

Create a new SSH key

create

Create storage box snapshot on Hetzner

Create a manual snapshot for a Storage Box

create

Create storage box subaccount on Hetzner

Create a subaccount for a Storage Box

create

Create volume on Hetzner

Create a new volume

create

Create zone on Hetzner

Create a new DNS zone

delete

Delete load balancer on Hetzner

Delete a load balancer

delete

Delete server on Hetzner

Delete a server

get

Get action on Hetzner

Get details of a specific action

get

Get server on Hetzner

Get details of a specific server

get

Get storage box on Hetzner

Get details of a specific Storage Box

list

List certificates on Hetzner

List all certificates

list

List datacenters on Hetzner

List all datacenters

list

List firewalls on Hetzner

List all firewalls

list

List floating ips on Hetzner

List all floating IPs

list

List images on Hetzner

List all images

list

List isos on Hetzner

List all ISOs

list

List load balancers on Hetzner

List all load balancers

list

List locations on Hetzner

List all locations

list

List networks on Hetzner

List all networks

list

List placement groups on Hetzner

List all placement groups

list

List primary ips on Hetzner

List all primary IPs

list

List server types on Hetzner

List all server types

list

List servers on Hetzner

List all servers

list

List ssh keys on Hetzner

List all SSH keys

list

List storage box snapshots on Hetzner

List snapshots for a Storage Box

list

List storage box subaccounts on Hetzner

List subaccounts for a Storage Box

list

List storage boxes on Hetzner

List all Storage Boxes

list

List volumes on Hetzner

List all volumes

list

List zones on Hetzner

List all DNS zones

poweron

Poweron server on Hetzner

Power on a server

rebuild

Rebuild server on Hetzner

Rebuild a server from an image

update

Update storage box on Hetzner

Update Storage Box settings (e.g., enable/disable protocols like SMB, WebDAV)

Connect Hetzner to LangChain via MCP

Follow these steps to wire Hetzner into LangChain. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

01

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai
02

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token
03

Run the agent

Save the code and run python agent.py
04

Explore tools

The agent discovers 38 tools from Hetzner via MCP

Why Use LangChain with the Hetzner MCP Server

LangChain provides unique advantages when paired with Hetzner through the Model Context Protocol.

01

The largest ecosystem of integrations, chains, and agents. combine Hetzner MCP tools with 500+ LangChain components

02

Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

03

LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

04

Memory and conversation persistence let agents maintain context across Hetzner queries for multi-turn workflows

Hetzner + LangChain Use Cases

Practical scenarios where LangChain combined with the Hetzner MCP Server delivers measurable value.

01

RAG with live data: combine Hetzner tool results with vector store retrievals for answers grounded in both real-time and historical data

02

Autonomous research agents: LangChain agents query Hetzner, synthesize findings, and generate comprehensive research reports

03

Multi-tool orchestration: chain Hetzner tools with web scrapers, databases, and calculators in a single agent run

04

Production monitoring: use LangSmith to trace every Hetzner tool call, measure latency, and optimize your agent's performance

Example Prompts for Hetzner in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with Hetzner immediately.

01

"List all my active servers in the Hetzner Cloud."

02

"Get the full details for server ID 12345."

03

"Power on the server with ID 12347."

Troubleshooting Hetzner MCP Server with LangChain

Common issues when connecting Hetzner to LangChain through Vinkius, and how to resolve them.

01

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

Hetzner + LangChain FAQ

Common questions about integrating Hetzner MCP Server with LangChain.

01

How does LangChain connect to MCP servers?

Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
02

Which LangChain agent types work with MCP?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
03

Can I trace MCP tool calls in LangSmith?

Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.

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