スプレッドシートの指定された範囲のデータを読み取ります
AI agents call read_sheet to retrieve information from Google Sheets MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves data from Google Sheets without any side effects or modifications. It performs a pure read operation on spreadsheet data, which is characteristic of the Read category. The Japanese description confirms it reads (読み取ります) data, with no capability to write, delete, or execute operations.
From the tool's definition Tool name 'read_sheet' and description indicating data retrieval from a spreadsheet range ('スプレッドシートの指定された範囲のデータを読み取ります' = 'Reads data from a specified range of a spreadsheet'). No modification, deletion, or execution mentioned.
Attacks that exploit this kind of access
スプレッドシートの指定された範囲のデータを読み取ります. It is categorised as a Read tool in the Google Sheets MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Sheets MCP Server MCP server in PolicyLayer and add a rule for read_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 Google Sheets MCP Server. Nothing to install.
read_sheet 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 read_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.
Set action: deny in the PolicyLayer policy for read_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.
read_sheet is provided by the Google Sheets MCP Server MCP server (kyohei-9841/google-spreadsheet-mcp). 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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