list_accounts

THE RISK

Low Risk

Why list_accounts needs a policy

This tool retrieves or queries account information from the CloudStack infrastructure without modifying, deleting, or executing anything. It has no side effects and presents minimal risk if accessed by an AI agent. The low severity reflects the informational nature of the operation.

From the tool's definition Tool name 'list_accounts' and description 'List accounts' indicate a query/retrieval operation with no side effects. The verb 'list' is a canonical Read operation.

Documented attack patterns abuse exactly the kind of access list_accounts gives an agent:

POLICY

How to control list_accounts

PolicyLayer is an MCP gateway — it sits between your AI agents and CloudStack MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_accounts:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_accounts": {}
  }
}

list_accounts is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register CloudStack MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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All 45 CloudStack MCP Server tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about list_accounts

What does the list_accounts tool do? +

List accounts. It is categorised as a Read tool in the CloudStack MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_accounts? +

Register the CloudStack MCP Server MCP server in PolicyLayer and add a rule for list_accounts: 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 CloudStack MCP Server. Nothing to install.

What risk level is list_accounts? +

list_accounts is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_accounts? +

Yes. Add a rate_limit block to the list_accounts 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.

How do I block list_accounts completely? +

Set action: deny in the PolicyLayer policy for list_accounts. 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.

What MCP server provides list_accounts? +

list_accounts is provided by the CloudStack MCP Server MCP server (phantosmax/cloudstack-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every CloudStack MCP Server tool call.

Start from CloudStack MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →