AI agents call pge_estructura to retrieve information from Mcp Govern without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
No description provided, but the naming pattern and server context (transparency investigation, cross-referencing open data) indicate this retrieves organizational structure data from public budget sources. The PGE prefix and '_estructura' suffix suggest a lookup/fetch operation similar to other analytic tools on this server.
From the tool's definition Tool name 'pge_estructura' suggests structural/organizational querying of PGE (Presupuestos Generales del Estado - Spanish state budget) data.
Documented attack patterns abuse exactly the kind of access pge_estructura gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Govern, and nothing reaches the server without passing your rules. This is the rule we recommend for pge_estructura:
{
"version": "1",
"default": "deny",
"tools": {
"pge_estructura": {}
}
}pge_estructura is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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pge_estructura. It is categorised as a Read tool in the Mcp Govern MCP Server, which means it retrieves data without modifying state.
Register the Mcp Govern MCP server in PolicyLayer and add a rule for pge_estructura: 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 Mcp Govern. Nothing to install.
pge_estructura 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 pge_estructura 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 pge_estructura. 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.
pge_estructura is provided by the Mcp Govern MCP server (xavimf87/mcp-govern). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Govern, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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49 Mcp Govern tools catalogued and risk-classified — across an index of 43,000+ MCP servers.