過去データを取得します（BDH機能相当）。
AI agents call get_historical_data to retrieve information from Bloomberg 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 and retrieves historical market data from Bloomberg without creating, modifying, deleting, or executing operations. It is a read-only data retrieval function with no side effects or ability to alter Bloomberg's systems or financial state. Low severity appropriate for passive data access.
From the tool's definition get_historical_data retrieves past market data (described as 'BDH機能相当' - equivalent to Bloomberg's BDH historical data function). The function name and context indicate data retrieval with no modification or deletion.
Attacks that exploit this kind of access
過去データを取得します（BDH機能相当）。. It is categorised as a Read tool in the Bloomberg MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Bloomberg MCP Server MCP server in PolicyLayer and add a rule for get_historical_data: 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 Bloomberg MCP Server. Nothing to install.
get_historical_data 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_historical_data 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_historical_data. 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_historical_data is provided by the Bloomberg MCP Server MCP server (shunsuketamura06/simple-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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