AI agents call datosgob_cercar_datasets 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.
This tool appears to search/retrieve datasets from datosgob (Spanish open data portal), consistent with the server's purpose of investigating transparency through public data. The 'cercar' (search) verb indicates a read-only retrieval operation with no side effects. The lack of description lowers confidence slightly, but the naming pattern and server context strongly suggest read-only functionality.
From the tool's definition Tool name 'datosgob_cercar_datasets' contains 'cercar' (search) and 'datasets', indicating data retrieval/querying.
Documented attack patterns abuse exactly the kind of access datosgob_cercar_datasets 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 datosgob_cercar_datasets:
{
"version": "1",
"default": "deny",
"tools": {
"datosgob_cercar_datasets": {}
}
}datosgob_cercar_datasets is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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datosgob_cercar_datasets. 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 datosgob_cercar_datasets: 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.
datosgob_cercar_datasets 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 datosgob_cercar_datasets 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 datosgob_cercar_datasets. 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.
datosgob_cercar_datasets 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.