Medium Risk

explode_gpd

Split multi-part geometries into single parts using geopandas.explode. Args: gdf_path: Path to the geospatial file. output_path: Optional path to save the result. Returns: Dictionary with status, message, and output info.

How to control explode_gpd ↓

What explode_gpd does on GIS MCP Server

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

Medium Risk

Why explode_gpd needs a policy

This tool transforms geospatial data by exploding multi-part geometries into individual parts. While it modifies data structure, this transformation is reversible (the original data can be re-dissolved or reconstructed), and no data is irreversibly deleted or destroyed. The operation is deterministic and does not execute arbitrary external code or move financial assets.

From the tool's definition Tool description states it 'Split multi-part geometries into single parts using geopandas.explode' and accepts 'output_path: Optional path to save the result', indicating it creates or modifies geospatial data structures by decomposing multi-part geometries…

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

How to control explode_gpd

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 explode_gpd:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "explode_gpd": {
      "limits": [
        {
          "counter": "explode_gpd_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

explode_gpd 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.

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

Free to start. No card required.

Related tools and policies

Go deeper

Questions about explode_gpd

What does the explode_gpd tool do? +

Split multi-part geometries into single parts using geopandas.explode. Args: gdf_path: Path to the geospatial file. output_path: Optional path to save the result. Returns: Dictionary with status, message, and output info. It is categorised as a Write tool in the GIS MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on explode_gpd? +

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

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

Can I rate-limit explode_gpd? +

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

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

explode_gpd 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.

Free to start. No card required.

98 GIS MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

// GET IN TOUCH

Have a question or want to learn more? Send us a message.

Message sent.

We'll get back to you soon.