add_worksheet_record · HAP MCP Server MCP: Risk & Policy

WHAT IT DOES

What add_worksheet_record does on HAP MCP Server

AI agents use add_worksheet_record to create or update resources in HAP MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your HAP MCP Server environment.

WHY IT NEEDS A POLICY

Why add_worksheet_record needs a policy

This tool creates new records in a worksheet, which is a reversible write operation. It does not delete data (Destructive), execute arbitrary code (Execute), or move money (Financial). While it modifies data, the action can be undone by deleting the record. Severity is medium because bulk misuse could fill a worksheet with unwanted records, but the impact is limited to a single worksheet and the data is recoverable.

From the tool's definition Tool name 'add_worksheet_record' and description 'Create a new row record in worksheet' indicate data creation and modification.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_worksheet_record Rate-limited

add_worksheet_record stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_worksheet_record": {
      "limits": [
        {
          "counter": "add_worksheet_record_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches HAP MCP Server, so you can run agents against it safely.

FAQ

Questions about add_worksheet_record

What does the add_worksheet_record tool do? +

Create a new row record in worksheet. It is categorised as a Write tool in the HAP MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_worksheet_record? +

Register the HAP MCP Server MCP server in PolicyLayer and add a rule for add_worksheet_record: 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.

What risk level is add_worksheet_record? +

add_worksheet_record is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit add_worksheet_record? +

Yes. Add a rate_limit block to the add_worksheet_record 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.

How do I block add_worksheet_record completely? +

Set action: deny in the PolicyLayer policy for add_worksheet_record. 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.

What MCP server provides add_worksheet_record? +

add_worksheet_record 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.