Vyhledání v konkrétním registru (Search in specific registry)
AI agents call vyhledat_v_registru to retrieve information from ARES MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs read-only searches against the Czech ARES business registry. It retrieves existing company information without creating, modifying, or deleting any data. Search and retrieval operations are classic Read category tools with minimal security risk when misused by an AI agent—the worst outcome would be unauthorized information disclosure of already-public registry data.
From the tool's definition Tool name 'vyhledat_v_registru' means 'Search in specific registry' and the server description emphasizes 'search and retrieval of official information' with no mention of modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Vyhledání v konkrétním registru (Search in specific registry). It is categorised as a Read tool in the ARES MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ARES MCP Server MCP server in PolicyLayer and add a rule for vyhledat_v_registru: 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 ARES MCP Server. Nothing to install.
vyhledat_v_registru 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 vyhledat_v_registru 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 vyhledat_v_registru. 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.
vyhledat_v_registru is provided by the ARES MCP Server MCP server (vzeman/ares-mcp-server). 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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