List all available server types (instance sizes) with their specs and pricing. Returns information about available server configurations including: - Name (e.g.,
AI agents call hetzner_list_server_types to retrieve information from Hetzner MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries available server type data without creating, modifying, deleting, or executing any operations. It has no side effects and presents no risk of unintended state changes.
From the tool's definition Tool name 'hetzner_list_server_types' and description 'List all available server types' indicate a retrieval operation with no side effects. Returns read-only information about server configurations and pricing.
Attacks that exploit this kind of access
List all available server types (instance sizes) with their specs and pricing. Returns information about available server configurations including: - Name (e.g.,. It is categorised as a Read tool in the Hetzner MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Hetzner MCP Server MCP server in PolicyLayer and add a rule for hetzner_list_server_types: 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 MCP Server. Nothing to install.
hetzner_list_server_types is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the hetzner_list_server_types 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 hetzner_list_server_types. 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.
hetzner_list_server_types is provided by the Hetzner MCP Server MCP server (jurislm/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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