list_licenses

THE RISK

Low Risk

Why list_licenses needs a policy

This tool only queries and retrieves license information; it does not create, modify, delete, or execute any operations. The verb 'list' combined with 'information' clearly indicates a read-only action with no side effects on the infrastructure being managed.

From the tool's definition Tool name 'list_licenses' and description 'List all license information for registered devices' indicate a retrieval operation with no modification, deletion, or execution capability.

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

POLICY

How to control list_licenses

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

policy.json

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

list_licenses 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 Intersight 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

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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_licenses

What does the list_licenses tool do? +

List all license information for registered devices. It is categorised as a Read tool in the Intersight MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_licenses? +

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

What risk level is list_licenses? +

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

Can I rate-limit list_licenses? +

Yes. Add a rate_limit block to the list_licenses 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_licenses completely? +

Set action: deny in the PolicyLayer policy for list_licenses. 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_licenses? +

list_licenses is provided by the Intersight MCP Server MCP server (jim-coyne/intersight_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Intersight MCP Server tool call.

Start from Intersight 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 →