xlsx_select_rows
Select rows from a local XLSX using deterministic filters. Returns bounded results (selected columns + matching rows). No network.
This record as markdown: /tools/io-github-homenshum-nodebench/xlsx-select-rows.md
What xlsx_select_rows does on Nodebench
AI agents call xlsx_select_rows to retrieve information from Nodebench without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why xlsx_select_rows is rated Low
The tool only reads and filters rows from a local XLSX file, returning matching data. It performs no writes, deletions, network calls, or side effects of any kind.
From the tool's definition 'Select rows from a local XLSX using deterministic filters. Returns bounded results (selected columns + matching rows). No network.'
Attacks that exploit this kind of access
The rule that runs xlsx_select_rows safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Nodebench, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For xlsx_select_rows, this is the rule to start with:
xlsx_select_rows is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Nodebench, apply this rule, and every xlsx_select_rows call is checked against it from then on.
Questions about xlsx_select_rows
Select rows from a local XLSX using deterministic filters. Returns bounded results (selected columns + matching rows). No network. It is categorised as a Read tool in the Nodebench MCP Server, which means it retrieves data without modifying state.
Register the Nodebench MCP server in PolicyLayer and add a rule for xlsx_select_rows: 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 Nodebench. Nothing to install.
xlsx_select_rows 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 xlsx_select_rows 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 xlsx_select_rows. 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.
xlsx_select_rows is provided by the Nodebench MCP server (nodebench-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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