AI agents call download_worldcover 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 tool appears designed to fetch or download the World Cover geospatial dataset, which is a read-only operation with no side effects on existing data. Even if cached locally after download, the primary function is data retrieval. Severity is low because downloading public geospatial data poses minimal risk unless the dataset itself is misused downstream (which would be a separate tool's responsibility).
From the tool's definition Tool name 'download_worldcover' suggests retrieving geospatial data (World Cover dataset). The description is empty, limiting direct confirmation, but the context of a GIS MCP server and sibling tools focused on analysis (buffer, clip, calculate distance, etc.
Documented attack patterns abuse exactly the kind of access download_worldcover gives an agent:
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 download_worldcover:
{
"version": "1",
"default": "deny",
"tools": {
"download_worldcover": {}
}
} download_worldcover is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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download_worldcover. It is categorised as a Read tool in the GIS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the GIS MCP Server MCP server in PolicyLayer and add a rule for download_worldcover: 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.
download_worldcover is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the download_worldcover 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.
Set action: deny in the PolicyLayer policy for download_worldcover. 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.
download_worldcover 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.
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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98 GIS MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.