Get total number of rows in worksheet
AI agents call get_worksheet_record_count to retrieve information from HAP 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 aggregate information (row count) from a worksheet without creating, modifying, deleting, or executing any operations. It is a simple read query with minimal blast radius if misused—an AI could at worst retrieve counts from worksheets it has access to, but cannot alter state or trigger external operations.
From the tool's definition Tool name 'get_worksheet_record_count' and description 'Get total number of rows in worksheet' indicate a retrieval operation that queries data without modification or side effects.
Attacks that exploit this kind of access
Get total number of rows in worksheet. It is categorised as a Read tool in the HAP MCP Server MCP Server, which means it retrieves data without modifying state.
Register the HAP MCP Server MCP server in PolicyLayer and add a rule for get_worksheet_record_count: 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 HAP MCP Server. Nothing to install.
get_worksheet_record_count 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_worksheet_record_count 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_worksheet_record_count. 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_worksheet_record_count is provided by the HAP MCP Server MCP server (mingdaocloud/hap-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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