least_cost_path · Arcmap MCP: Risk & Policy

WHAT IT DOES

What least_cost_path does on Arcmap

AI agents invoke least_cost_path to trigger actions in Arcmap. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why least_cost_path needs a policy

Least cost path analysis in ArcGIS/arcpy typically executes a geoprocessing operation that runs spatial analysis algorithms and may write output datasets. Given the server context (controlling a live ArcMap session via arcpy) and sibling tools like 'execute_arcpy' and 'contours', this tool likely executes a geoprocessing workflow. Empty description lowers confidence.

From the tool's definition Tool name 'least_cost_path' and server context of arcpy/ArcMap control; description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

least_cost_path Rate-limited

least_cost_path stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "least_cost_path": {
      "limits": [
        {
          "counter": "least_cost_path_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-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 least_cost_path

What does the least_cost_path tool do? +

least_cost_path. It is categorised as a Execute tool in the Arcmap MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on least_cost_path? +

Register the Arcmap MCP server in PolicyLayer and add a rule for least_cost_path: 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 least_cost_path? +

least_cost_path is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit least_cost_path? +

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

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

least_cost_path 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.