show_users

THE RISK

Low Risk

Why show_users needs a policy

This tool retrieves and displays user information without modifying, deleting, or executing operations. It is a straightforward read-only query of user metadata. While this data could be sensitive (user enumeration), the tool itself performs no destructive, write, or execution operations.

From the tool's definition Tool name 'show_users' and description 'List all users in the tenant' indicate a retrieval operation with no side effects.

Risk signalsBulk/mass operation — affects multiple targets

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

POLICY

How to control show_users

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

policy.json

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

show_users 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 Anaplan MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

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FAQ

Questions about show_users

What does the show_users tool do? +

List all users in the tenant. It is categorised as a Read tool in the Anaplan MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on show_users? +

Register the Anaplan MCP server in PolicyLayer and add a rule for show_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 Anaplan MCP. Nothing to install.

What risk level is show_users? +

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

Can I rate-limit show_users? +

Yes. Add a rate_limit block to the show_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.

How do I block show_users completely? +

Set action: deny in the PolicyLayer policy for show_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.

What MCP server provides show_users? +

show_users is provided by the Anaplan MCP server (larasrinath/anaplan-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Anaplan MCP tool call.

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

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