Get summary statistics for one or all sheet tabs.
AI agents call get_sheet_summary to retrieve information from ERP-File MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and aggregates existing data from spreadsheet tabs without creating, modifying, deleting, or executing operations. Summary statistics are read-only computed views over data. The blast radius of misuse is minimal—an agent might retrieve unwanted summary information but cannot alter data or trigger external side effects.
From the tool's definition Tool name 'get_sheet_summary' and description 'Get summary statistics for one or all sheet tabs' indicate data retrieval with no modification capability. Returns aggregated statistics from existing sheet data.
Attacks that exploit this kind of access
Get summary statistics for one or all sheet tabs. It is categorised as a Read tool in the ERP-File MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ERP-File MCP Server MCP server in PolicyLayer and add a rule for get_sheet_summary: 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 ERP-File MCP Server. Nothing to install.
get_sheet_summary 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 get_sheet_summary 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 get_sheet_summary. 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.
get_sheet_summary is provided by the ERP-File MCP Server MCP server (sharpjsdev/mcp-server). 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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