find_nif_by_name
AI agents call find_nif_by_name to retrieve information from MCP NIF PT without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves company identification numbers based on names—a pure read operation with no side effects. The blast radius is minimal since it only accesses public company registry data. Confidence is moderate (0.85) due to empty tool description, but the server's stated purpose and sibling tools (search_companies_by_name_and_city, get_company) confirm the read-only nature of the API.
From the tool's definition Tool name 'find_nif_by_name' indicates a lookup/search operation. Server description confirms 'searching by NIF, company name or city' are supported read operations.
Attacks that exploit this kind of access
find_nif_by_name. It is categorised as a Read tool in the MCP NIF PT MCP Server, which means it retrieves data without modifying state.
Register the MCP NIF PT MCP server in PolicyLayer and add a rule for find_nif_by_name: 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 MCP NIF PT. Nothing to install.
find_nif_by_name 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 find_nif_by_name 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 find_nif_by_name. 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.
find_nif_by_name is provided by the MCP NIF PT MCP server (ruicarvalho1/mcp_nif). 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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