AI agents call get_deputado_atividade to retrieve information from Openar without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and aggregates existing public parliamentary records about a deputy's activity. It has no side effects, does not modify data, does not execute arbitrary operations, and does not involve financial transactions. It is a straightforward read/query operation on open public data from the Portuguese Parliament.
From the tool's definition Tool name 'get_deputado_atividade' and description 'Get full parliamentary activity for an MP: initiatives, requirements, plenary interventions, committees' indicate data retrieval without modification.
Attacks that exploit this kind of access
Get full parliamentary activity for an MP: initiatives, requirements, plenary interventions, committees. It is categorised as a Read tool in the Openar MCP Server, which means it retrieves data without modifying state.
Register the Openar MCP server in PolicyLayer and add a rule for get_deputado_atividade: 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 Openar. Nothing to install.
get_deputado_atividade 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 get_deputado_atividade 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 get_deputado_atividade. 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.
get_deputado_atividade is provided by the Openar MCP server (openar-pt/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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