Read data validation rules (checkboxes, dropdown lists, custom formulas, etc.) from a sheet or range.
AI agents call sheets_get_data_validation to retrieve information from Mcp Gsheets without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only reads and retrieves existing data validation configuration from Google Sheets. It performs no side effects, does not create, modify, delete, or execute any operations. The 'Read' category is appropriate for query and retrieval operations with no capability to alter state.
From the tool's definition The tool name 'sheets_get_data_validation' and description 'Read data validation rules (checkboxes, dropdown lists, custom formulas, etc.) from a sheet or range' explicitly indicates a retrieval operation with no modification of data.
Attacks that exploit this kind of access
Read data validation rules (checkboxes, dropdown lists, custom formulas, etc.) from a sheet or range. It is categorised as a Read tool in the Mcp Gsheets MCP Server, which means it retrieves data without modifying state.
Register the Mcp Gsheets MCP server in PolicyLayer and add a rule for sheets_get_data_validation: 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 Gsheets. Nothing to install.
sheets_get_data_validation 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 sheets_get_data_validation 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 sheets_get_data_validation. 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.
sheets_get_data_validation is provided by the Mcp Gsheets MCP server (mcp-gsheets). 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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