export_jpg · Arcmap MCP: Risk & Policy

WHAT IT DOES

What export_jpg does on Arcmap

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

WHY IT NEEDS A POLICY

Why export_jpg needs a policy

This tool creates a new file (JPG image) on disk based on the current map state. It is a Write operation because it produces new data artifacts that are reversible—exported files can be deleted or overwritten without affecting the underlying GIS data or application state. It does not execute arbitrary code, delete data, move money, or cause destructive changes.

From the tool's definition Tool name 'export_jpg' and description indicating it 'Exporta el layout actual de ArcMap a un JPG' (exports the current ArcMap layout to a JPG file) to a specified output path.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

export_jpg Rate-limited

export_jpg 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_jpg": {
      "limits": [
        {
          "counter": "export_jpg_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 Arcmap, so you can run agents against it safely.

FAQ

Questions about export_jpg

What does the export_jpg tool do? +

Exporta el layout actual de ArcMap a un JPG en la ruta salida (dpi 230 por. It is categorised as a Write tool in the Arcmap 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_jpg? +

Register the Arcmap MCP server in PolicyLayer and add a rule for export_jpg: 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 Arcmap. Nothing to install.

What risk level is export_jpg? +

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

Can I rate-limit export_jpg? +

Yes. Add a rate_limit block to the export_jpg 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_jpg completely? +

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

export_jpg is provided by the Arcmap MCP server (pedralcg/arcmap-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.