AI agents call onpe_listar_locales_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.
This tool queries and retrieves electoral data (voting locations, mesa counts, elector counts) filtered by geography. It performs a read-only lookup with no side effects, data modification, or destructive actions. The natural language query interface and SQLite cache suggest information retrieval patterns typical of Read category tools.
From the tool's definition Tool name contains 'listar' (list) and description states 'Lista locales de votación' (lists voting locations). Returns counts of mesas and electors—retrieval only, no modification or deletion.
Attacks that exploit this kind of access
Lista locales de votación únicos en una geo, con #mesas y #electores por local. 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_locales_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_locales_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_locales_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_locales_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_locales_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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