Ověření validity IČO (Validate ICO format and existence)
AI agents call validovat_ico 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 validation and format-checking of IČO (Czech company identification numbers) against the ARES registry. It retrieves or confirms information about whether an IČO is valid—a read-only operation with no side effects. It does not create, modify, delete, execute commands, or move funds.
From the tool's definition Tool name 'validovat_ico' and description 'Ověření validity IČO (Validate ICO format and existence)' indicate validation/checking of Czech company identification numbers.
Attacks that exploit this kind of access
Ověření validity IČO (Validate ICO format and existence). 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 validovat_ico: 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.
validovat_ico 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 validovat_ico 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 validovat_ico. 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.
validovat_ico 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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