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Add Target

An MCP tool from the Hetzner Cloud API server, hosted on mcp.hjlabs.in.

Add Target Adds a target to a Load Balancer. #### Operation specific errors | Status | Code | Description | | --- | --- | --- | | 422 | ip_not_in_vswitch_subnet | The IP you are trying to add does not belong… [POST /load_balancers/{id}/actions/add_target]

Name on the gateway: hetzner_api__add_load_balancer_target · may change things.

Parameters

NameTypeDescription
id requiredintegerID of the Load Balancer.
type requiredserver | label_selector | ipType of the resource.
serverobjectConfiguration for type Server, only valid and required if type is server.
label_selectorobjectConfiguration for label selector targets, only valid and required if type is…
ipobjectConfiguration for an IP target. It is only possible to use the (Public or…
use_private_ipbooleanUse the private network IP instead of the public IP of the Server, requires…

How to call it

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments
{
  "name": "hetzner_api__add_load_balancer_target",
  "arguments": {
    "id": 0,
    "type": "…"
  }
}

Or connect the Hetzner Cloud API server directly, which lists 178 tools including this one:

Run in your terminal
claude mcp add --transport http hj-hetzner-api https://mcp.hjlabs.in/mcp/hetzner-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Try asking

Use the add target tool with id set to ….

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