Obtener opciones de un título
AI agents call obtener_opciones to retrieve information from IOL MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries available options data for a given security title. There is no indication of side effects, data modification, execution of operations, or financial transactions. It merely provides information about what options are available, similar to fetching quote data or security information.
From the tool's definition Tool name 'obtener_opciones' (get options) with description 'Obtener opciones de un título' (Get options of a security) indicates a retrieval operation.
Attacks that exploit this kind of access
Obtener opciones de un título. It is categorised as a Read tool in the IOL MCP Server MCP Server, which means it retrieves data without modifying state.
Register the IOL MCP Server MCP server in PolicyLayer and add a rule for obtener_opciones: 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 IOL MCP Server. Nothing to install.
obtener_opciones 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 obtener_opciones 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 obtener_opciones. 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.
obtener_opciones is provided by the IOL MCP Server MCP server (pgallar/iol-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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