export_to_csv · VitalDB MCP Server MCP: Risk & Policy

WHAT IT DOES

What export_to_csv does on VitalDB MCP Server

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

WHY IT NEEDS A POLICY

Why export_to_csv needs a policy

The tool creates a new CSV file or overwrites an existing one with exported analysis data. This is a reversible write operation—the file can be deleted or replaced. It's not destructive because the original data in VitalDB remains intact.

From the tool's definition Tool name is 'export_to_csv' and description states it saves analysis results to CSV file ('분석 결과를 CSV 파일로 저장합니다'). This creates or modifies files.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

export_to_csv Rate-limited

export_to_csv 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": {
    "export_to_csv": {
      "limits": [
        {
          "counter": "export_to_csv_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 VitalDB MCP Server, so you can run agents against it safely.

FAQ

Questions about export_to_csv

What does the export_to_csv tool do? +

분석 결과를 CSV 파일로 저장합니다. It is categorised as a Write tool in the VitalDB 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 export_to_csv? +

Register the VitalDB MCP Server MCP server in PolicyLayer and add a rule for export_to_csv: 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 VitalDB MCP Server. Nothing to install.

What risk level is export_to_csv? +

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

Can I rate-limit export_to_csv? +

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

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

export_to_csv is provided by the VitalDB MCP Server MCP server (yejelim/vitaldb-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.