get_utm_zone

THE RISK

Low Risk

Why get_utm_zone needs a policy

This tool performs a simple lookup/calculation to determine the UTM (Universal Transverse Mercator) zone for provided coordinates. It retrieves information without modifying any data, executing arbitrary code, or causing side effects. This is a pure read operation typical of geospatial utility functions used for coordinate system reference.

From the tool's definition Tool name 'get_utm_zone' and description 'Get UTM zone for given coordinates' indicate a query operation that retrieves UTM zone information based on input coordinates. No data modification, deletion, or execution of external operations is involved.

Documented attack patterns abuse exactly the kind of access get_utm_zone gives an agent:

POLICY

How to control get_utm_zone

PolicyLayer is an MCP gateway — it sits between your AI agents and GIS MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_utm_zone:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_utm_zone": {}
  }
}

get_utm_zone is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register GIS MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_utm_zone

What does the get_utm_zone tool do? +

Get UTM zone for given coordinates. It is categorised as a Read tool in the GIS MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_utm_zone? +

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

What risk level is get_utm_zone? +

get_utm_zone is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_utm_zone? +

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

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

get_utm_zone is provided by the GIS MCP Server MCP server (mahdin75/gis-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every GIS MCP Server tool call.

Start from GIS MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →