numbers_read_cells

Read a range of cells from a sheet. Uses 0-based row/column indices.

SERVERAirMCP SOURCEairmcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/heznpc-airmcp/numbers-read-cells.md

WHAT IT DOES

What numbers_read_cells does on AirMCP

AI agents call numbers_read_cells to retrieve information from AirMCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why numbers_read_cells is rated Low

This tool retrieves data from a Numbers spreadsheet without creating, modifying, or deleting any content. It has no side effects and poses minimal risk—worst case, an AI agent could exfiltrate data already stored in spreadsheets the user granted access to. The operation is inherently safe and reversible.

From the tool's definition Tool name is 'numbers_read_cells' and description states 'Read a range of cells from a sheet'. The verb 'read' and explicit statement that it retrieves cell values with no modification capability confirm this is a query/retrieval operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs numbers_read_cells 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_read_cells, this is the rule to start with:

numbers_read_cells Allowed

numbers_read_cells is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about numbers_read_cells

What does the numbers_read_cells tool do? +

Read a range of cells from a sheet. Uses 0-based row/column indices. It is categorised as a Read tool in the AirMCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on numbers_read_cells? +

Register the Air MCP server in PolicyLayer and add a rule for numbers_read_cells: 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_read_cells? +

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

Can I rate-limit numbers_read_cells? +

Yes. Add a rate_limit block to the numbers_read_cells 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_read_cells completely? +

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

numbers_read_cells 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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