List all Cloud Volumes in the project. By default fetches all pages (cap: ${PAGINATION_HARD_CAP_PAGES} pages × ${CLOUD_DEFAULT_PER_PAGE} per page = ${PAGINATION_HARD_CAP_PAGES * CLOUD_DEFAULT_PER_PAGE} volumes). Supply explicit \
AI agents call hetzner_list_volumes 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 only queries and retrieves information about existing volumes without performing any modifications, deletions, or external operations. It is a straightforward data retrieval operation, characteristic of the Read category.
From the tool's definition The tool 'hetzner_list_volumes' performs a list/fetch operation that 'List all Cloud Volumes in the project' with no side effects. The description indicates it retrieves data with pagination but does not create, modify, or delete any resources.
Attacks that exploit this kind of access
List all Cloud Volumes in the project. By default fetches all pages (cap: ${PAGINATION_HARD_CAP_PAGES} pages × ${CLOUD_DEFAULT_PER_PAGE} per page = ${PAGINATION_HARD_CAP_PAGES * CLOUD_DEFAULT_PER_PAGE} volumes). Supply explicit \. 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_volumes: 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_volumes 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_volumes 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_volumes. 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_volumes 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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