Create a Hetzner Cloud server. This is billed. It requires confirm true and shows the live hourly and monthly price first. Optionally attach SSH keys, a private network, firewalls, cloud-init user_data, and labels.
AI agents use cloud_create_server to commit financial operations through Hetzner — usually the final step of a payment, billing, or trading workflow. A call moves real money.
Creating a cloud server incurs direct financial charges (hourly and monthly billing). This commits a financial obligation on the user's Hetzner account, placing it in the Financial category, which is the most severe applicable here.
From the tool's definition 'Create a Hetzner Cloud server. This is billed.' and 'requires confirm true and shows the live hourly and monthly price first'
Attacks that exploit this kind of access
Create a Hetzner Cloud server. This is billed. It requires confirm true and shows the live hourly and monthly price first. Optionally attach SSH keys, a private network, firewalls, cloud-init user_data, and labels. It is categorised as a Financial tool in the Hetzner MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Hetzner MCP server in PolicyLayer and add a rule for cloud_create_server: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Hetzner. Nothing to install.
cloud_create_server is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the cloud_create_server rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for cloud_create_server. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
cloud_create_server is provided by the Hetzner MCP server (mjmirza/hetzner-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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