深く調査・検索・リサーチする。包括的で詳細な調査を行い、複数の検索イテレーションと反映を通じて徹底的にリサーチします。深い調査、詳しく調べる、深く検索、包括的に調査、詳細に調べる、徹底的に調査、しっかり調べる、網羅的に調査、深掘り調査、本格的に調べる、などの要求に最適です。
AI agents call deep_search to retrieve information from Langgraph Deep Search 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 information from searches without causing side effects. It is a read-only research tool that queries data sources and returns analyzed results with citations. The multi-iteration search process and analysis are informational activities with no capacity to create, modify, delete, or execute operations on external systems.
From the tool's definition Tool description indicates it 'conducts comprehensive research through multi-iteration deep searches' and 'provides high-quality analysis with automated citations and grounding metadata.' The Japanese description translates to conducting thorough…
Attacks that exploit this kind of access
深く調査・検索・リサーチする。包括的で詳細な調査を行い、複数の検索イテレーションと反映を通じて徹底的にリサーチします。深い調査、詳しく調べる、深く検索、包括的に調査、詳細に調べる、徹底的に調査、しっかり調べる、網羅的に調査、深掘り調査、本格的に調べる、などの要求に最適です。. It is categorised as a Read tool in the Langgraph Deep Search MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Langgraph Deep Search MCP Server MCP server in PolicyLayer and add a rule for deep_search: 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 Langgraph Deep Search MCP Server. Nothing to install.
deep_search 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 deep_search 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 deep_search. 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.
deep_search is provided by the Langgraph Deep Search MCP Server MCP server (ryotaozawa0/langgraph-deepsearch-mcp). 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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