list_subsites

THE RISK

Low Risk

Why list_subsites needs a policy

This tool retrieves and enumerates subsites within a SharePoint site collection. It performs a read-only query operation to discover the site structure. No data is created, modified, deleted, or executed. The blast radius of misuse is minimal—an attacker could map out site hierarchy but cannot alter or access sensitive data directly through this tool alone.

From the tool's definition Tool is described as 'List subsites' which is a query/discovery operation that retrieves information about SharePoint site hierarchy. The verb 'list' and action 'discover' indicate data retrieval with no side effects.

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

POLICY

How to control list_subsites

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

policy.json

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

list_subsites 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 Apple Shortcuts — 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

More Apple Shortcuts tools

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All 423 Apple Shortcuts 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_subsites

What does the list_subsites tool do? +

List subsites of a SharePoint site. Use this to discover nested sites within a site collection. It is categorised as a Read tool in the Apple Shortcuts MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_subsites? +

Register the Apple Shortcuts MCP server in PolicyLayer and add a rule for list_subsites: 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 Apple Shortcuts. Nothing to install.

What risk level is list_subsites? +

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

Can I rate-limit list_subsites? +

Yes. Add a rate_limit block to the list_subsites 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_subsites completely? +

Set action: deny in the PolicyLayer policy for list_subsites. 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_subsites? +

list_subsites is provided by the Apple Shortcuts MCP server (@mindstone/mcp-server-apple-shortcuts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Apple Shortcuts tool call.

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

CHECK YOUR STACK →