AI agents call search_disclosures to retrieve information from Opendart without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool searches and retrieves publicly available Korean corporate disclosure data from DART. It performs a read-only query operation without side effects—no data is created, modified, deleted, or executed. The search operation is a standard information retrieval action typical of financial data APIs.
From the tool's definition Tool name 'search_disclosures' and description 'Search DART disclosure filings' indicate a query/retrieval operation with no mention of modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Search DART disclosure filings (공시 보고서 검색). It is categorised as a Read tool in the Opendart MCP Server, which means it retrieves data without modifying state.
Register the Opendart MCP server in PolicyLayer and add a rule for search_disclosures: 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 Opendart. Nothing to install.
search_disclosures 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 search_disclosures 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 search_disclosures. 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.
search_disclosures is provided by the Opendart MCP server (songhyojun0228/opendart-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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