list_sheet_tabs

SERVERHermoso SOURCEhttps://app.hermoso.ai/mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/hermoso/list-sheet-tabs.md

WHAT IT DOES

What list_sheet_tabs does on Hermoso

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

RISK

Why list_sheet_tabs is rated Low

Even though list_sheet_tabs only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_sheet_tabs safely

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

list_sheet_tabs Allowed

list_sheet_tabs 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": {
    "list_sheet_tabs": {}
  }
}

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

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

FAQ

Questions about list_sheet_tabs

What does the list_sheet_tabs tool do? +

The tabs in a Google Spreadsheet, each with its name, numeric sheetId, row/column count and position. Call this BEFORE naming a tab in update_sheet / clear_sheet_range / manage_sheet_tabs / format_sheet, and before proposing to delete one — it is how you learn what the file actually contains instead of guessing at a name. Read-only, free. It is categorised as a Read tool in the Hermoso MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_sheet_tabs? +

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

What risk level is list_sheet_tabs? +

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

Can I rate-limit list_sheet_tabs? +

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

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

list_sheet_tabs is provided by the Hermoso MCP server (https://app.hermoso.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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