List all Nutanix clusters that have access to a specific Time Machine, alongside their SLA policies.
AI agents call get_time_machine_access to retrieve information from NDB MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple data retrieval operation to enumerate clusters and their associated Time Machine access policies. There are no side effects, no data modification, no execution of external operations, and no financial transactions. The information retrieved could be useful for understanding system configuration, but disclosure of this metadata poses minimal risk to the infrastructure.
From the tool's definition The tool description explicitly states it 'List[s] all Nutanix clusters' with 'SLA policies'—a read-only operation that retrieves and queries data without modification, creation, or deletion.
Attacks that exploit this kind of access
List all Nutanix clusters that have access to a specific Time Machine, alongside their SLA policies. It is categorised as a Read tool in the NDB MCP Server MCP Server, which means it retrieves data without modifying state.
Register the NDB MCP Server MCP server in PolicyLayer and add a rule for get_time_machine_access: 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 NDB MCP Server. Nothing to install.
get_time_machine_access 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 get_time_machine_access 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 get_time_machine_access. 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.
get_time_machine_access is provided by the NDB MCP Server MCP server (rouxton/ndb-mcp-server). 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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