raster_band_statistics

THE RISK

Low Risk

Why raster_band_statistics needs a policy

This tool retrieves raster data and computes descriptive statistics (min, max, mean, standard deviation) without altering the source data, triggering external processes, or creating side effects. It is a pure read operation with negligible blast radius if misused by an AI agent—worst case being unnecessary computation or access to unintended raster files.

From the tool's definition Tool name 'raster_band_statistics' and description 'Calculate min, max, mean, and std for each band of a raster' indicate retrieval and computation of statistical summaries.

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

POLICY

How to control raster_band_statistics

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 raster_band_statistics:

policy.json

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

raster_band_statistics 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 →

Free to start. No card required.

EXPLORE

Related tools and policies

More GIS MCP Server tools

Execute build_and_transform_weights Build and transform spatial weights in one step. Parameters: - data_path: Path to Execute ols_with_spatial_diagnostics_safe Safe MCP pipeline: Read shapefile, build/load W, convert numeric, check NaNs, run OLS. Execute transform_coordinates Transform coordinates between CRS. Execute adbscan Adaptive DBSCAN clustering (requires coordinates, no dependent_var). Execute raster_algebra raster_algebra Execute snap_geometry Snap one geometry to another using shapely.ops.snap. Args: geometry1: WKT stri Execute focal_statistics Compute focal (moving window) statistics on a raster. Args: raster_path: Path Write build_transform_and_save_weights Pipeline: Read shapefile, build spatial weights, optionally transform, and save to file.

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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 raster_band_statistics

What does the raster_band_statistics tool do? +

Calculate min, max, mean, and std for each band of a raster. Parameters: - source: path to input raster (local or URL). 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 raster_band_statistics? +

Register the GIS MCP Server MCP server in PolicyLayer and add a rule for raster_band_statistics: 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 raster_band_statistics? +

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

Can I rate-limit raster_band_statistics? +

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

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

raster_band_statistics 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 →