geojson_to_geometry

Convert GeoJSON to a Shapely geometry using shapely.geometry.shape. Args: geojson: GeoJSON dictionary. Returns: Dictionary with status, message, and geometry as WKT.

ServerGIS MCP Server
CategoryRead

How to control geojson_to_geometry ↓

WHAT IT DOES

What geojson_to_geometry does on GIS MCP Server

AI agents call geojson_to_geometry to retrieve information from GIS MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why geojson_to_geometry needs a policy

This is a data parsing and transformation utility that takes GeoJSON as input and outputs geometry representation in WKT format. No side effects, no data modification, no code execution, no destructive operations, and no financial impact. It is purely a read-only query/conversion operation on geospatial data structures.

From the tool's definition Tool converts GeoJSON input to Shapely geometry representation without modifying, deleting, or executing external operations.

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

POLICY

How to control geojson_to_geometry

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 geojson_to_geometry:

policy.json

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

geojson_to_geometry 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.

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EXPLORE

Related tools and policies

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FAQ

Questions about geojson_to_geometry

What does the geojson_to_geometry tool do? +

Convert GeoJSON to a Shapely geometry using shapely.geometry.shape. Args: geojson: GeoJSON dictionary. Returns: Dictionary with status, message, and geometry as WKT. 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 geojson_to_geometry? +

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

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

Can I rate-limit geojson_to_geometry? +

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

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

geojson_to_geometry 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.

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