Bloomberg APIのフィールドを検索します。
AI agents call search_fields 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 searches for and retrieves information about Bloomberg API fields—a read-only operation with no side effects, no code execution, and no data modification. It falls squarely into the Read category. The severity is low because field metadata is non-sensitive information and misuse poses minimal risk.
From the tool's definition Tool name 'search_fields' and description 'Bloomberg APIのフィールドを検索します' (searches Bloomberg API fields) indicate a query/search operation that retrieves metadata about available fields with no data modification or execution of external operations.
Attacks that exploit this kind of access
Bloomberg APIのフィールドを検索します。. 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 search_fields: 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.
search_fields 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_fields 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_fields. 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_fields 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.
Teams ship this data inside their own products. See what a licence covers →