sheets_update_borders · MCP Google Sheets Server MCP

WHAT IT DOES

What sheets_update_borders does on MCP Google Sheets Server

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

WHY IT NEEDS A POLICY

Why sheets_update_borders needs a policy

This tool modifies spreadsheet formatting (cell borders) but does not delete data, execute code, or perform financial operations. The change is reversible—borders can be changed again or removed. This fits the Write category (creates or modifies data reversibly).

From the tool's definition Tool name 'sheets_update_borders' and description 'Update borders of cells in a Google Sheet' indicate modification of cell formatting properties. The verb 'update' combined with 'borders' shows this creates or modifies data reversibly within the spreadsheet.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sheets_update_borders Rate-limited

sheets_update_borders 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": {
    "sheets_update_borders": {
      "limits": [
        {
          "counter": "sheets_update_borders_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 MCP Google Sheets Server, so you can run agents against it safely.

FAQ

Questions about sheets_update_borders

What does the sheets_update_borders tool do? +

Update borders of cells in a Google Sheet. It is categorised as a Write tool in the MCP Google Sheets 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 sheets_update_borders? +

Register the MCP Google Sheets Server MCP server in PolicyLayer and add a rule for sheets_update_borders: 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 MCP Google Sheets Server. Nothing to install.

What risk level is sheets_update_borders? +

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

Can I rate-limit sheets_update_borders? +

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

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

sheets_update_borders is provided by the MCP Google Sheets Server MCP server (oregpt/agenticledger_mcp_sheetsonly). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.