create_update_request · Smartsheet MCP Server MCP

WHAT IT DOES

What create_update_request does on Smartsheet MCP Server

AI agents use create_update_request to create or update resources in Smartsheet MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Smartsheet MCP Server environment.

WHY IT NEEDS A POLICY

Why create_update_request needs a policy

This tool creates a new update request object within Smartsheet, which is a data creation operation. Update requests are workflow artifacts that can be modified or deleted, making this a reversible Write operation rather than destructive. The severity is medium because while it modifies shared workflow data, it doesn't directly cause financial impact, execute arbitrary code, or permanently delete data.

From the tool's definition Creates an update request for a sheet (create implies reversible data modification per tool description context showing create, update, post, upload operations as Write category)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_update_request Rate-limited

create_update_request stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_update_request": {
      "limits": [
        {
          "counter": "create_update_request_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Smartsheet MCP Server, so you can run agents against it safely.

FAQ

Questions about create_update_request

What does the create_update_request tool do? +

Creates an update request for a sheet. It is categorised as a Write tool in the Smartsheet MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_update_request? +

Register the Smartsheet MCP Server MCP server in PolicyLayer and add a rule for create_update_request: 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 create_update_request? +

create_update_request is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_update_request? +

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

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

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