AI agents call get_country_performance to retrieve information from Finviz MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and analyzes market performance metrics by country. It is a query/lookup operation with no side effects—it does not modify data, execute commands, delete records, or move funds. The 'get_' prefix and analytical nature confirm it is a Read operation with low risk.
From the tool's definition Tool name 'get_country_performance' and description 'country market performance analysis' indicate retrieval and analysis of market data. No modifications, deletions, financial transactions, or code execution are described or implied.
Documented attack patterns abuse exactly the kind of access get_country_performance gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Finviz MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_country_performance:
{
"version": "1",
"default": "deny",
"tools": {
"get_country_performance": {}
}
}get_country_performance is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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国別市場パフォーマンス分析. It is categorised as a Read tool in the Finviz MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Finviz MCP Server MCP server in PolicyLayer and add a rule for get_country_performance: 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 Finviz MCP Server. Nothing to install.
get_country_performance 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_country_performance 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_country_performance. 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_country_performance is provided by the Finviz MCP Server MCP server (tradermonty/finviz-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 35 Finviz MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
35 Finviz MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.