Lists all sheets (tabs) in a specific Google Spreadsheet.
AI agents call list_sheets to retrieve information from Mcp Gsheet without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation that retrieves information about available sheets within a spreadsheet. It has no side effects, does not modify data, and presents minimal risk of misuse by an AI agent. The operation is purely informational.
From the tool's definition Tool name 'list_sheets' and description 'Lists all sheets (tabs) in a specific Google Spreadsheet' indicate a query operation that retrieves metadata about sheet structure with no modifications.
Attacks that exploit this kind of access
Lists all sheets (tabs) in a specific Google Spreadsheet. It is categorised as a Read tool in the Mcp Gsheet MCP Server, which means it retrieves data without modifying state.
Register the Mcp Gsheet MCP server in PolicyLayer and add a rule for list_sheets: 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 Gsheet. Nothing to install.
list_sheets is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_sheets 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.
Set action: deny in the PolicyLayer policy for list_sheets. 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.
list_sheets is provided by the Mcp Gsheet MCP server (shionhonda/mcp-gsheet). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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