Get list of users.
AI agents call list_users to retrieve information from HPE Aruba Networking Central MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves user information without creating, modifying, deleting, or executing any operations. It is a straightforward read-only action that falls squarely within the Read category. The severity is low as retrieving a user list, while potentially sensitive, does not pose immediate operational risk or enable unauthorized actions by itself.
From the tool's definition Tool name 'list_users' and description 'Get list of users' indicate a retrieval operation with no modification or execution of commands.
Attacks that exploit this kind of access
Get list of users. It is categorised as a Read tool in the HPE Aruba Networking Central MCP Server MCP Server, which means it retrieves data without modifying state.
Register the HPE Aruba Networking Central MCP Server MCP server in PolicyLayer and add a rule for list_users: 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 HPE Aruba Networking Central MCP Server. Nothing to install.
list_users 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 list_users 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 list_users. 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.
list_users is provided by the HPE Aruba Networking Central MCP Server MCP server (the-otner/aruba-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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