show_dimensionitems

THE RISK

Low Risk

Why show_dimensionitems needs a policy

This is a retrieval operation that queries existing dimension data to support downstream operations. While it provides information used in write operations, the tool itself performs no modifications, side effects, or destructive actions. It is a straightforward list/query function characteristic of the Read category.

From the tool's definition Tool description explicitly states 'List all items in a dimension' and 'Returns itemId values needed for write_cells dimension coordinates'. The primary function is to retrieve and enumerate dimension items without modifying them.

Risk signalsBulk/mass operation — affects multiple targets

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

POLICY

How to control show_dimensionitems

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_dimensionitems:

policy.json

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

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

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EXPLORE

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FAQ

Questions about show_dimensionitems

What does the show_dimensionitems tool do? +

List all items in a dimension. Returns itemId values needed for write_cells dimension coordinates. Note: requires model ID (name resolution not supported). 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_dimensionitems? +

Register the Anaplan MCP server in PolicyLayer and add a rule for show_dimensionitems: 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_dimensionitems? +

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

Can I rate-limit show_dimensionitems? +

Yes. Add a rate_limit block to the show_dimensionitems 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_dimensionitems completely? +

Set action: deny in the PolicyLayer policy for show_dimensionitems. 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_dimensionitems? +

show_dimensionitems 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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