create_data_row · Hubnote MCP: Risk & Policy

WHAT IT DOES

What create_data_row does on Hubnote Mcp

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

WHY IT NEEDS A POLICY

Why create_data_row needs a policy

This tool creates new data rows in a workspace, which is a reversible write operation. It does not execute arbitrary code, delete data, or involve financial transactions. However, it can modify workspace state and potentially affect other users or workflows, warranting medium severity. The confidence is high due to clear naming and description.

From the tool's definition Tool name 'create_data_row' and description 'Create a new workspace data row' indicate creation of new data in a structured format.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_data_row Rate-limited

create_data_row 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": {
    "create_data_row": {
      "limits": [
        {
          "counter": "create_data_row_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 Hubnote Mcp, so you can run agents against it safely.

FAQ

Questions about create_data_row

What does the create_data_row tool do? +

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

How do I enforce a policy on create_data_row? +

Register the Hubnote MCP server in PolicyLayer and add a rule for create_data_row: 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 Hubnote Mcp. Nothing to install.

What risk level is create_data_row? +

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

Can I rate-limit create_data_row? +

Yes. Add a rate_limit block to the create_data_row 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 create_data_row completely? +

Set action: deny in the PolicyLayer policy for create_data_row. 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 create_data_row? +

create_data_row is provided by the Hubnote MCP server (wlzerd/hubnote-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.