Read the Basic Filter (AutoFilter) configuration for a sheet, including the filtered range,
AI agents call sheets_get_basic_filter 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 retrieves configuration information about existing filters on a sheet. It performs no modifications, deletions, or side effects. Reading filter metadata poses minimal risk to data integrity or system security.
From the tool's definition Tool name contains 'get' and description says 'Read the Basic Filter (AutoFilter) configuration' - explicitly a read operation that retrieves filter settings without modifying data.
Attacks that exploit this kind of access
Read the Basic Filter (AutoFilter) configuration for a sheet, including the filtered 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_basic_filter: 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_basic_filter 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_basic_filter 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_basic_filter. 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_basic_filter 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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