Obtener instrumentos disponibles para un país
AI agents call obtener_instrumentos 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 lists data (available instruments) for a given country. It has no side effects—it does not create, modify, delete, or execute any financial transactions. The verb 'obtener' (obtain/retrieve) and the informational nature of the query confirm this is a Read operation with minimal risk.
From the tool's definition Tool name 'obtener_instrumentos' with description 'Obtener instrumentos disponibles para un país' indicates a retrieval operation that queries available financial instruments without modifying, deleting, or executing trades.
Attacks that exploit this kind of access
Obtener instrumentos disponibles para un país. 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_instrumentos: 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_instrumentos 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_instrumentos 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_instrumentos. 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_instrumentos 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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