Vyhledání v číselnících a názvnících (Search codebooks and nomenclatures)
AI agents call vyhledat_ciselniky 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 a read-only search operation against reference data (codebooks and nomenclatures). It retrieves information without creating, modifying, or deleting data, and does not execute external operations or commit financial obligations. The limited blast radius from misuse (returning reference data) justifies the 'low' severity classification.
From the tool's definition Tool description indicates 'Vyhledání v číselnících a názvnících' (Search codebooks and nomenclatures) - a search operation with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Vyhledání v číselnících a názvnících (Search codebooks and nomenclatures). 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_ciselniky: 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_ciselniky 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_ciselniky 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_ciselniky. 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_ciselniky 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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