AI agents call get_cif to retrieve information from Oblio without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves a read-only configuration value (the company's tax ID). It has no side effects, cannot modify data, and poses minimal risk even if misused by an AI agent—the CIF is non-sensitive operational metadata. Classification as Read is appropriate.
From the tool's definition Tool name 'get_cif' and description 'Returns the currently configured company CIF (tax ID)' indicate a simple data retrieval operation with no modification or execution capability.
Attacks that exploit this kind of access
Returns the currently configured company CIF (tax ID) used for Oblio API requests. It is categorised as a Read tool in the Oblio MCP Server, which means it retrieves data without modifying state.
Register the Oblio MCP server in PolicyLayer and add a rule for get_cif: 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 Oblio. Nothing to install.
get_cif 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_cif 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_cif. 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_cif is provided by the Oblio MCP server (valentinludu/oblio-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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