create_spreadsheet · Datahub MCP: Risk & Policy

WHAT IT DOES

What create_spreadsheet does on DatahubMCP

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

WHY IT NEEDS A POLICY

Why create_spreadsheet needs a policy

An AI agent can call create_spreadsheet faster than any human can review — one bad instruction and it creates or modifies resources in DatahubMCP by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_spreadsheet Rate-limited

create_spreadsheet 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_spreadsheet": {
      "limits": [
        {
          "counter": "create_spreadsheet_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 DatahubMCP, so you can run agents against it safely.

FAQ

Questions about create_spreadsheet

What does the create_spreadsheet tool do? +

Create a new Google Spreadsheet. It is categorised as a Write tool in the DatahubMCP 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_spreadsheet? +

Register the Datahub MCP server in PolicyLayer and add a rule for create_spreadsheet: 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 DatahubMCP. Nothing to install.

What risk level is create_spreadsheet? +

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

Can I rate-limit create_spreadsheet? +

Yes. Add a rate_limit block to the create_spreadsheet 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_spreadsheet completely? +

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

create_spreadsheet is provided by the Datahub MCP server (yucheuan/datahubmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.