show_currentperiod

THE RISK

Low Risk

Why show_currentperiod needs a policy

This tool retrieves the current period configuration for a model, which is a read-only query operation. It returns information without modifying state, creating, deleting, or executing operations. The instruction to 'use set_currentperiod to change it' confirms this tool itself only reads data.

From the tool's definition Tool description states 'Get current period for a model' - a retrieval operation with no modification or side effects.

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

POLICY

How to control show_currentperiod

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_currentperiod:

policy.json

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

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

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EXPLORE

Related tools and policies

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Destructive bulk_delete_models Bulk delete closed models (WARNING: irreversible). Models must be closed first. Destructive delete_file Delete a file from a model (WARNING: irreversible). Use show_files to find the fileId. Destructive delete_list_items Remove items from a list (WARNING: irreversible). Specify id or code for each item. Use ge Destructive delete_list_readrequest Delete a large volume list read request to free server resources. Always call this after d Destructive delete_view_readrequest Delete a large volume view read request to free server resources. Always call this after d Destructive run_delete Execute a delete action on a model. Use show_actions first to find the delete action ID. Destructive close_model Close (archive) a model. Requires workspace admin. Must be closed before bulk_delete_model Destructive set_currentperiod Set current period for a model (WARNING: may cause data loss if periods are removed). Use

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FAQ

Questions about show_currentperiod

What does the show_currentperiod tool do? +

Get current period for a model. Use set_currentperiod to change it. 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_currentperiod? +

Register the Anaplan MCP server in PolicyLayer and add a rule for show_currentperiod: 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_currentperiod? +

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

Can I rate-limit show_currentperiod? +

Yes. Add a rate_limit block to the show_currentperiod 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_currentperiod completely? +

Set action: deny in the PolicyLayer policy for show_currentperiod. 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_currentperiod? +

show_currentperiod 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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