Home / Servers / Hetzner Cloud API / assign_floating_ip
Assign a Floating IP to a Server
An MCP tool from the Hetzner Cloud API server, hosted on mcp.hjlabs.in.
Assign a Floating IP to a Server Assigns a Floating IP to a Server. #### Operation specific errors | Status | Code | Description | | --- | --- | --- | | 422 | floating_ip_assigned | The Floating IP is already assigned | [POST /floating_ips/{id}/actions/assign]
Name on the gateway: hetzner_api__assign_floating_ip · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
id required | integer | ID of the Floating IP. |
server required | integer | Server the Floating IP is assigned to. null if not assigned. |
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:
{
"name": "hetzner_api__assign_floating_ip",
"arguments": {
"id": 0,
"server": 0
}
}Or connect the Hetzner Cloud API server directly, which lists 178 tools including this one:
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 assign a floating ip to a server tool with id set to ….