AI agents call gva_export_geojson to retrieve information from MCP4GVA without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Exporting features to GeoJSON is a data retrieval operation — it reads geographic features from the GIS service and converts/returns them in GeoJSON format. No data is modified, deleted, or created on the server side. The word 'export' here means extracting/downloading data, not writing to an external system. Severity is low as it only exposes public GIS data from the Valencian Community geographic service.
From the tool's definition Export features to GeoJSON format
Attacks that exploit this kind of access
Export features to GeoJSON format. It is categorised as a Read tool in the MCP4GVA MCP Server, which means it retrieves data without modifying state.
Register the MCP4GVA MCP server in PolicyLayer and add a rule for gva_export_geojson: 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 MCP4GVA. Nothing to install.
gva_export_geojson 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 gva_export_geojson 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 gva_export_geojson. 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.
gva_export_geojson is provided by the MCP4GVA MCP server (pepo1275/mcp4gva). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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