AI agents call get_edgar_company_concept 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 queries SEC EDGAR filings to fetch financial data (concepts) for a company. It is a read-only operation that retrieves publicly available financial information without side effects, modification, or execution capabilities. The retrieval of stock/financial data poses minimal risk compared to write, execute, or destructive operations.
From the tool's definition Tool name 'get_edgar_company_concept' and description 'retrieves company-specific financial concept data via EDGAR API' indicate a data retrieval operation with no modification, deletion, or execution of code.
Documented attack patterns abuse exactly the kind of access get_edgar_company_concept 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_edgar_company_concept:
{
"version": "1",
"default": "deny",
"tools": {
"get_edgar_company_concept": {}
}
}get_edgar_company_concept is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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EDGAR API経由で企業の特定の財務コンセプトデータを取得. 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_edgar_company_concept: 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_edgar_company_concept 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_edgar_company_concept 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_edgar_company_concept. 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_edgar_company_concept 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.