search_filings
AI agents call search_filings to retrieve information from Japan Ir Search 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 data from Japanese corporate filings without modifying, deleting, or executing operations. It is a read-only search operation with no side effects. Low severity because it accesses public corporate filings data (EDINET is public); misuse would only expose information already meant to be disclosed.
From the tool's definition Tool name is 'search_filings' and server enables 'full-text search' of Japanese corporate IR filings. No description provided, but context indicates retrieval/query functionality.
Attacks that exploit this kind of access
search_filings. It is categorised as a Read tool in the Japan Ir Search MCP Server, which means it retrieves data without modifying state.
Register the Japan Ir Search MCP server in PolicyLayer and add a rule for search_filings: 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 Japan Ir Search. Nothing to install.
search_filings 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_filings 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_filings. 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_filings is provided by the Japan Ir Search MCP server (tamcho113/japan-ir-search). 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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