AI agents call onpe_listar_mesas_por_geo to retrieve information from Onpe without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears to retrieve a list of polling stations filtered by geographic criteria. This is a read-only operation that queries existing electoral data without creating, modifying, deleting, or executing external operations. The lack of description lowers confidence slightly, but the naming convention and server context clearly indicate a listing/retrieval function with no side effects.
From the tool's definition Tool name 'onpe_listar_mesas_por_geo' contains 'listar' (Spanish for 'list'), indicating data retrieval. No description provided, but the name pattern and sibling tools (all read/query operations) strongly suggest this lists polling stations by geographic…
Attacks that exploit this kind of access
onpe_listar_mesas_por_geo. It is categorised as a Read tool in the Onpe MCP Server, which means it retrieves data without modifying state.
Register the Onpe MCP server in PolicyLayer and add a rule for onpe_listar_mesas_por_geo: 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 Onpe. Nothing to install.
onpe_listar_mesas_por_geo 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 onpe_listar_mesas_por_geo 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 onpe_listar_mesas_por_geo. 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.
onpe_listar_mesas_por_geo is provided by the Onpe MCP server (oscarzamora/onpe-mcp). 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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