numbers_add_sheet

Add a new sheet to a Numbers spreadsheet.

SERVERAirMCP SOURCEairmcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/heznpc-airmcp/numbers-add-sheet.md

WHAT IT DOES

What numbers_add_sheet does on AirMCP

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

RISK

Why numbers_add_sheet is rated Medium

This tool creates/modifies data (adding a new sheet) within a Numbers spreadsheet, which is a reversible operation. It does not execute code, delete data permanently, move money, or retrieve sensitive information. The impact is confined to document structure modification, making it a Write operation with low severity.

From the tool's definition Tool name 'numbers_add_sheet' and description 'Add a new sheet to a Numbers spreadsheet' indicate creation of new spreadsheet structure. The action is reversible (sheets can be deleted), and the blast radius is limited to the specific Numbers document.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs numbers_add_sheet safely

PolicyLayer is an MCP gateway: it sits between your AI agents and AirMCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For numbers_add_sheet, this is the rule to start with:

numbers_add_sheet Rate-limited

numbers_add_sheet 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": {
    "numbers_add_sheet": {
      "limits": [
        {
          "counter": "numbers_add_sheet_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect AirMCP, apply this rule, and every numbers_add_sheet call is checked against it from then on.

FAQ

Questions about numbers_add_sheet

What does the numbers_add_sheet tool do? +

Add a new sheet to a Numbers spreadsheet. It is categorised as a Write tool in the AirMCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on numbers_add_sheet? +

Register the Air MCP server in PolicyLayer and add a rule for numbers_add_sheet: 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 AirMCP. Nothing to install.

What risk level is numbers_add_sheet? +

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

Can I rate-limit numbers_add_sheet? +

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

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

numbers_add_sheet is provided by the Air MCP server (airmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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