excel_read_range

Read values from a cell range in a worksheet using A1 notation (e.g.,

SERVERSage MCP SOURCEsagemcp/sagemcp

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/sagemcp-sagemcp/excel-read-range.md

WHAT IT DOES

What excel_read_range does on Sage MCP

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

RISK

Why excel_read_range is rated Low

This tool retrieves data from a spreadsheet using standard A1 notation range syntax. It performs a read-only query operation without modifying, deleting, or executing any code. The blast radius of misuse is minimal—an attacker could only exfiltrate data already readable by the authenticated user. No data modification, execution, or financial impact is possible.

From the tool's definition Tool name 'excel_read_range' and description 'Read values from a cell range in a worksheet' explicitly indicate retrieval of data with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs excel_read_range safely

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

excel_read_range Allowed

excel_read_range 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": {
    "excel_read_range": {}
  }
}

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

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

FAQ

Questions about excel_read_range

What does the excel_read_range tool do? +

Read values from a cell range in a worksheet using A1 notation (e.g.,. It is categorised as a Read tool in the Sage MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on excel_read_range? +

Register the Sage MCP server in PolicyLayer and add a rule for excel_read_range: 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 Sage MCP. Nothing to install.

What risk level is excel_read_range? +

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

Can I rate-limit excel_read_range? +

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

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

excel_read_range is provided by the Sage MCP server (sagemcp/sagemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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