smartsheet_get_sheet_cross_references

THE RISK

Low Risk

Why smartsheet_get_sheet_cross_references needs a policy

This tool performs a read operation that retrieves information about cross-sheet formula references. It has no side effects, does not modify data, execute code, delete content, or involve financial transactions. The action is purely informational and safe for autonomous agents to invoke.

From the tool's definition Tool name and description: 'Get all cross-sheet references in a sheet (formulas that reference other sheets)'.

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

POLICY

How to control smartsheet_get_sheet_cross_references

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

policy.json

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

smartsheet_get_sheet_cross_references 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 Smartsheet 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.

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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 smartsheet_get_sheet_cross_references

What does the smartsheet_get_sheet_cross_references tool do? +

Get all cross-sheet references in a sheet (formulas that reference other sheets). It is categorised as a Read tool in the Smartsheet MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on smartsheet_get_sheet_cross_references? +

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

What risk level is smartsheet_get_sheet_cross_references? +

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

Can I rate-limit smartsheet_get_sheet_cross_references? +

Yes. Add a rate_limit block to the smartsheet_get_sheet_cross_references 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 smartsheet_get_sheet_cross_references completely? +

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

smartsheet_get_sheet_cross_references is provided by the Smartsheet MCP Server MCP server (terilios/smartsheet-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Smartsheet MCP Server tool call.

Start from Smartsheet 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 →